BIOLOGY HIGH SCHOOL

In recent history, humans have influenced which parts of life on Earth? A. Almost none of it.
B. Life on land only.
C. Virtually all life on Earth.
D. Life in cities only.

Answers

Answer 1
Answer:

C. Virtually all life on Earth.

They have affected nearly every life form.

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A claim that describes the potential effect of a food, food component, or a dietary supplement is a _______________.A. 6 claim B. structure/function claim C. nutrient content claim D. scientific statement

What does a scientific theory do

Answers


A scientific theory summarizes a hypothesis or group of hypotheses that have been supported with repeated testing.A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not "guesses" but reliable accounts of the real world.

When during the cell cycle is a cells dna replicated

Answers

The DNA itself is "replicated" by the S phase of interphrase.

S phase

have a wonderful day.

What kind of lipid forms when glycerol combines with fatty acids through dehydration synthesis

Answers

Answer;

-Triglyceride or Fats

Explanation;

-Fat consists of two parts: glycerol backbone  and three fatty acids tails. fatty acid consists of long hydrocarbon chain and a carboxyl group. glycerol is organic molecule with three hydroxyl groups.

-Triglycerides are fats from the food we eat that are carried in the blood. Most of the fats we eat, including butter, margarines and oils, are in triglyceride form. They are the most common type of fat in the body. Triglycerides are necessary for health but in excess amounts, they may be harmful and may increase the risk of heart disease.
 the answer is triglyceride :O

The speed at which a volume of water moves through an aquatic ecosystem is called

Answers

Answer:

Flow rate is the speed at which the volume of water moves through an aquatic ecosystem. It refers to the amount of water that can move from one region of the aquatic system to other in a given period of time. The flow of water affects the temperature, salinity of water and the living organisms surviving in an aquatic ecosystem.

The speed at which a volume of water moves through an aquatic ecosystem is called
RATE OF FLOW

The cladogram below was created to show the evolutionary relationships between different vertebrates.Which of the following inferences can be made, based on this information?

a. Amphibians and birds share a more recent common evolutionary ancestor than sharks and birds.
b. Birds and sharks do not share a common evolutionary ancestor.
c. Having a bony skeleton did not provide an evolutionary advantage to sharks or ray-finned fish.
d. Rabbits and primates diverged more recently than crocodiles and birds.

Answers

Answer: a. Amphibians and birds share a more recent common evolutionary ancestor than sharks and birds.

Explanation:

A cladogram is a diagrammatic representation of the phylogenetic relationship of recently evolved species with their common ancestors. The relationship is defined on the basis of genetic, molecular, morphological make up of the organisms. The node in the cladogram defines a divergence or difference between the two taxon.

Birds and amphibians share a more recent common ancestor than shark and birds because they can be seen lying closer at the terminal ends of the cladogram.

The answer for the given question above about a cladogram showing the evolutionary relationships between different vertebrates is option A.  Amphibians and birds share a more recent common evolutionary ancestor than sharks and birds. I hope this helps.

Which feature is not found in viruses?

Answers

Answer;

-Mitochondria

Explanation;

-Viruses are small infectious agents that replicates only inside the living cells of other organisms. Some of the features of viruses includes;

-They are enclosed in a protective envelope.

-They have spikes, which helps them to attach to the host cell.

-They are non cellular.

-They do not respire, do not metabolize and do not grow but they do reproduce.

-They contain a protein coat called the capsid.

-They have a nucleic acid core containing DNA or RNA.
The answer is C. Mitochondria because I guessed and I got it wrong and it told me that it was C
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