Explanation:
The evolution of plants has resulted in a wide range of complexity, from the earliest algal mats, through multicellular marine and freshwater green algae, terrestrial bryophytes, lycopods and ferns, to the complex gymnosperms and angiosperms (flowering plants) of today. While many of the earliest groups continue to thrive, as exemplified by red and green algae in marine environments, more recently derived groups have displaced previously ecologically dominant ones; for example, the ascendance of flowering plants over gymnosperms in terrestrial environments.
There is evidence that cyanobacteria and multicellular photosynthetic eukaryotes lived in freshwater communities on land as early as 1 billion years ago, and that communities of complex, multicellular photosynthesizing organisms existed on land in the late Precambrian, around 850 million years ago.
Which female insect kills and eats her partner while mating?.
Answer:
Praying mantis
Explanation:
Praying mantis courtship can be a dangerous affair; females have been well-documented biting off the heads and eating other body parts of the males that they mate with. However, the frequency of such violence may be just a tad overstated.
Which two products does the caterpillar produce that allow the cabbage to make molecules used for energy?.
Carbon dioxide and water are the two products of the caterpillar used by the cabbage to make molecules used for energy.
What is photosynthesis?Photosynthesis is the process by which plants produce food from carbon dioxide and water using sunlight as energy source.
Caterpillar is an insect which produces carbon dioxide and water which the cabbage requires for photosynthesis.
Therefore, Carbon dioxide and water are the two products of the caterpillar used by the cabbage to make molecules used for energy.
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What causes these variations in traits such as hair color, eye color, and height?
Katie and her sister have entirely different features and traits. Katie has blond hair and brown eyes, but her sister has red hair and blue eyes.
A. competition
B. offspring
C. alleles
D. fitness
Answer:
C.
Explanation:
That would be Alleles! Hope this helped <3
Hi friend! here is your answer!
=================================================================The answer is C.!
can i have brainliest answer thanks friend!
===============================================================fun fact Did you know that your DNA determines things such as your eye color, hair color, height, a nd even the size of your nose? The DNA in your cells is respons ible for these physical attribute as well as many others that you will soon see. It turns out that the DNA in your body came almost directly from your mother and father.
Common chaperones are identified as Hsp which stands for heat shock protein. Why do you think these chaperones are identified this way
Common chaperones can be identified as Hsp heat shock protein. These chaperones are identified in this way because they were discovered with heat.
What are chaperone proteins?The chaperone proteins are specific proteins required to fold other functional proteins within the cells.
The application of heat is able to increase the number (concentration) of chaperone proteins in specific cells.
The application of heat increases chaperone levels because it increases the denaturalization (unfolding) of proteins.
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When an animal cell goes through the process of mitosis, it divides into two smaller cells.
In order for the animal to continue growing, these two cells need to become as large as the original cell. How do the cells do this?
A. They undergo mitosis again to increase the number of cells in the area.
B. They combine with other cells around them to produce larger cells.
C. They absorb substances from the matter that the animal eats and drinks.
D. They expand by creating areas of empty space inside the cells.
Answer:
c
Explanation:
Answer:
C. They absorb substances from the matter that the animal eats and drinks.
Explanation:
Mitosis is a process of nuclear division in eukaryotic cells that occurs when a parent cell divides to produce two identical daughter cells.
During cell division, mitosis refers specifically to the separation of the duplicated genetic material carried in the nucleus.
Which of the following is not a consequence of fossil fuel use? a. increased concentrations of atmospheric carbon dioxide b. destruction of wildlife habitats c. leaching of waste into groundwater d. none of the above please select the best answer from the choices provided a b c d
Answer:
d.
none of the above
Explanation:
edge 2022
To measure glomerular filtration rate, a substance that is neither secreted, reabsorbed, or metabolized is needed. The compound ______ is an example of a substance used to measure GFR. Multiple choice question.
Answer:
fiction
Explanation:
What is atom?
What is mass?
ATOM : - An atom is the basic building block of chemistry.
MASS : - a large body of matter with no definite shape.
✨ HOPE IT HELPS, BRAINLIST PLEASE ✨
the purest form of water is obtained by
Answer:
RAINWATER
Explanation:
THE PUREST SOURCE OF NATURAL WATER IS RAINWATER. THE RAINWATER DIRECTLY COMES FRIM THE CONDENSATION OF WATER IN THE PRESENCE OF THE SUN
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One important adaptation that separated us from other animals in our evolutionary trajectory is _________.
We can confirm that one important adaptation that separated us from other animals in our evolutionary trajectory can be considered to be Bipedalism.
What is bipedalism?Bipedalism was the adaptation of early human ancestors to abandon movement on all fours and begin to walk up-right. This was a vastly important adaptation as it provided the early humans with freed hands, allowing for many other uses such as tools and social cues.
Therefore, we can confirm that one important adaptation that separated us from other animals in our evolutionary trajectory can be considered to be Bipedalism.
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In the antral phase of follicle development, the follicles are stimulated by LH and _______ to grow tremendously.
Answer:
FSH
Explanation:
In the antral phase of follicle development, the follicles are stimulated by LH and FSH to grow tremendously.
Each segment of an annelid typically contains bristles of chitin called:.
Each segment of an annelid typically contains bristles of chitin called setae
The evolution of similar forms in different lineages when exposed to the same selective pressures is.
The evolution of similar forms in different lineages when exposed to the same selective pressures is convergent evolution.
Convergent or divergent evolution are related to the involved groups, the environments, the selective pressures, and the way in which organisms deal with them to achieve a better adaptation increasing their fitness.
What is convergent evolution?
Convergent evolution is the emergence of phenotypical similarities in different groups independently from each other.
Convergent evolution occurs when two or more taxonomic groups share the same traits or characteristics even when they do not share a common ancestor.
Usually, this is a pattern observed in groups that are exposed to the same or similar environmental pressures. The development of these similar phenotypes is related to higher fitness and competitive ability.
The evolution of similar forms in different lineages when exposed to the same selective pressures is convergent evolution.
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Summary of food pyramids in extreme detail!
Explanation:
The Food Pyramid is a visual representation of how different foods and drinks contribute towards a healthy balanced diet. The Food Pyramid allows individuals the flexibility to choose foods and drinks from each shelf depending on their food preferences. It organises foods and drinks into 5 main shelves, starting from the most important shelf on the bottom.
Shelf 1: Vegetables, Salad and Fruit (at least 5 to 7 servings a day). Base your meals on these and enjoy a variety of colours. More is better. Limit fruit juice to unsweetened, once a day.
Shelf 2: Wholemeal Cereals and Breads, Potatoes, Pasta and Rice (3–5 servings a day, up to 7 for teenage boys and men age 19–50). Wholemeal and wholegrain cereals are best. Enjoy at each meal.
Shelf 3: Milk, Yogurt and Cheese (3 servings a day and 5 from the age of 9 to 18) Choose reduced-fat or low-fat varieties. Choose low fat milk and yogurt more often than cheese. Enjoy cheese in small amounts.
Shelf 4: Meat, Poultry, Fish, Eggs, Beans and Nuts (2 servings a day) Choose lean meat, poultry (without skin) and fish. Eat oily fish up to twice a week. Choose eggs, beans and nuts. Limit processed salty meats such as sausages, bacon and ham.
Shelf 5: Fats, Spreads and Oils (In very small amounts) Use as little as possible. Choose mono or polyunsaturated reduced fat or light spreads. Choose rapeseed, olive, canola, sunflower or corn oils. Limit mayonnaise, coleslaw and salad dressings as they also contain oil. Always cook with as little fat or oil as possible – grilling, oven-baking, steaming, boiling or stir-frying.
Top Shelf: The revised Food Pyramid separates the Top Shelf from the rest of the pyramid. The Top Shelf includes foods and drinks high in fat, sugar and salt. These are not needed for good health and should not be consumed every day. Very small amounts once or twice a week maximum is sufficient.
Answer:
Healthy Eating Pyramid
Healthy Eating Pyramid
Generations of Americans are accustomed to the food pyramid design, and it’s not going away. In fact, the Healthy Eating Pyramid and the Healthy Eating Plate (as well as the Kid’s Healthy Eating Plate) complement each other.
Consumers can think of the Healthy Eating Pyramid as a grocery list:
Vegetables, fruits, whole grains, healthy oils, and healthy proteins like nuts, beans, fish, and chicken should make it into the shopping cart every week, along with a little yogurt or other dairy foods if desired.
Explanation:
~XxRexXx~
~Jack and Jill~
To determine how closely related organisms are scientists consider all of the following except
Answer:
compare the DNA of two organisms
Explanation:
There are 2 types of worms: worms that eat at night (nocturnal) and worms that eat during the day (diurnal). The birds eat during the day and seem to be eating ONLY the diurnal worms. The nocturnal worms are in their burrows during this time.
1. Identify a type of variation in the worms.
2. Which variation is most favorable?
3. In 50 years, what will natural selection have most likely done for the worms? (Hint: What type of worm will be the most common. )
4. What adaptations might occur in the birds in 100 years?
We can confirm that one variation in the worms is the adaptation to become nocturnal eaters instead of the more dangerous diurnal eaters.
Why are nocturnal worms favored?Nocturnal worms are favored over diurnal eating worms given that the main predator of worms, birds, hunt during the day. This puts the diurnal worms are a much higher risk of being consumed. Through natural selection, this will likely result in most worms being entirely nocturnal within the next 50 or so years, which can in turn lead to the evolution of more nocturnal hunting bird species.
Therefore, we can confirm that one variation in the worms is the adaptation to become nocturnal eaters instead of the more dangerous diurnal eaters, which will likely be the most common variation over time, due to natural selection.
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Flowering plants and pollinators, such as bees, have adapted together over time in ways that enhance each other’s survival. The bee obtains nectar from the flower. How does the flower benefit from this relationship?.
Answer:
no awnser here , just setting up my account
Why is it good that
multiple
sequences code
for the same amino
acid?
If we stopped burning fossil fuels today, what would happen to the climate?.
If we stopped burning fossil fuels, the climate would be much cooler than it is today. The hot planet is a big concern today.
What is fossil fuel?Fossil fuels are matter that is made up of decaying organic matter, such as animals and plants. Fossil fuels are made for millions of years. They are used in running big machines and generating power plants.
Fossil fuels are burned in running machines or run a car, and the gases that came from this burning cause the earth to warm.
Thus, the temperature would be significantly colder than it is right now if we stopped burning fossil fuels. Today, the planet's heat is a major problem.
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Which two of the following arrows show
matter moving from a tertiary consumer to a
decomposer?
the arrow between the
sea otter and the orca
the arrow between the
kelp and the sea urchin
the arrow between the
zooplankton and the
plainfin midshipman
the arrow between the
orca and the sea
cucumber
the arrow between the
kelp bass and the bat
star
Answer:
the arrow going from the orca to the sea cucumber
Explanation:
An orca is a tertiary consumer (at the very top of the food chain, not many animals eat orcas and orcas eat almost any animal) while the sea cucumber is a decomposer (they are at the very bottom of the food chain. they eat things like plankton, pieces of animal waste on the sea floor, etc. but they dont eat any consumers.) i hope this helped! have an amazing day (:
The number of individuals divided by an area is called
species evenness
species richness
population density
clumped distribution
Answer:
The answer is population density.
Explanation:
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What is the cost of electricity if 42000 kWh is used at a rate of $0.04/kWh?
The cost of the electricity if 42000 kWh of electricity is used is ; $1680
Determine the cost of electricityGiven that ;
value of electricity used = 42000 kWh
cost rate of electricity = $0.04/kWh
Final step : Determine the total cost of electricty used
unit cost = $0.04/kWh
Totals cost = unit cost * value of electricity used
= 0.04 * 42000 = $1680
Hence we can conclude that The cost of the electricity if 42000 kWh of electricity is used is ; $1680.
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The number of sperm cells that form from a primary spermatocyte is.
Answer:
four spermatozoa
Explanation:
The primary spermatocyte undergoes a series of meiosis I and II to form four spermatids. The spermatids go under a differentiation process to form 4 spermatozoa :))
A student wants to model the process of translation that occurs in a cell as part of gene expression. When planning and organizing
the materials to use in the model, the student finds the items shown in the table. Evaluate the items and select the ones that the
student needs to appropriately model the process of translation in a cell. Select ALL that apply.
A)
clothespin
)
B)
paperclip chain
the single string
To model translation in a cell, the student needs a clothespin, paperclip chain and the single string to represent the ribosome unit, amino acid sequence and mRNA template.
What is translation?Translation is the process by which protein molecules are synthesized at the ribosomes from amino acids using mRNA as template read in the form of triplet nucleotide sequences known as codons.
If a student wishes to model the process of translation, he needs a model of the ribosome, the tRNA, amino acids and the mRNA template.
The single string serves as mRNA, the paperclip chain as newly synthesized amino acid sequence and as ribosome unit.
Therefore, the student needs a clothespin, paperclip chain and the single string to model translation in a cell.
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What does the endoplasmic reticulum do in a plant cell?.
Answer:
The endoplasmic reticulum is like a highway or transportation route. it transports everything throughout the cell so it can get where it needs to go. It involves the smooth and rough endoplasmic reticulum.
Explanation:
I hope this helps! It is also in both animal and plant cells.
What contains genetic material but is not clarified as living? A.Bacteria B.Protozoa C. Virus D.lizard
Answer:
C. Virus
Explanation:
A virus is non-living because it needs a host in order to mutate
What is a landslide?
Movement of earth materials up a slope.
Movement of water up a slope.
Movement of water down a slope.
Movement of earth materials down a slope. ill mark brainlyest
Which of the following are controversies over water usage in the United States? Select the three correct answers.(2 points)
a. whether dams increase the salt level of water
b. whether people should drink bottled or tap water
c. whether people should build dams on rivers
d. whether there are hidden costs to tap water
e. whether water treatment should be privatized
f. whether dams impact the volume of rivers
Because to their impact on the environment and wildlife, the construction and water usage of dams across rivers is a s source of controversy in the US.
What is water usage?Water usage refers to the various ways and water is used in th society.
The usage of water can either ensure its continuous availability as well as sustainable environment and habitat for wildlife.
Water usage comes with a lot of controversies especially their impact on the environment and wildlife.
Three controversies regarding water usage in the US are as follows:
whether dams increase the salt level of waterwhether people should build dams on riverswhether dams impact the volume of riversTherefore, due to their impact on the environment and wildlife, the construction and usage of dams across rivers is a s source of controversy in the US.
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Which is an example of a scientist using a physical model to describe a
human heart?
A. The scientist uses a computer to predict how many times a heart
will beat.
B. The scientist calculates the number of times the heart beats each
second.
C. The scientist makes a model of a heart using clay
D. The scientist compares the heart to a mechanical pump.
Answer:
it calculate
Explanation:
it help the scientist calculate the number of times and heart beats each
The two organ systems that work together to regulate most aspects of the body's water balance are urinary and cardiovascular. digestive and cardiovascular. cardiovascular and respiratory. digestive and respiratory. urinary and respiratory.
Answer:
urinary and cardiovascular.
Explanation:
The two organ systems that work together to regulate most aspects of the body's water balance are...
urinary and cardiovascular.