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Studentka2010 [4]
3 years ago
9

Which of the following is true about a phylogenetic tree ? A) they're a way of visualizing how different species are related. B)

Branch length always corresponds to how long a species has been alive. C) The species to the right are more evolved than the species to the left. D) All of the above.​
Biology
1 answer:
NeTakaya3 years ago
8 0
A) theyre a way of visualizing how different species are related.

Here’s a quizlet I found that may be helpful! https://quizlet.com/173517257/nova-lab-quiz-flash-cards/
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7. The role of an organism in the ecosystem is called its​
Tcecarenko [31]

Answer: The role of an organism in the ecosystem is called its NICHE.

Explanation: The niche (pronounced 'neesh') of an organism is the specific function and purpose of the organism within its environment, ecosystem or food-web or food-chain.

3 0
3 years ago
HALPPPPP FAST PLZ In which area of Earth is ozone primarily produced?(1 point)
Afina-wow [57]
The area of Earth where ozone is primarily produced is in the tropics.
4 0
3 years ago
Explain how the development of the cuticle and the vascular system influenced the evolution of plants on land
Black_prince [1.1K]
<span>When plants moved on the land they had to adapt to new environment and </span>to deal with new <span>problems. The main problem for plants was to figure out how to regulate water loss within the cells. One of the solution was the formation of the waxy covering on top of leaves-cuticle, which evolved on the surface of leaves to reduce water loss. Another problem for plants was to figure out how to obtain resources from soil and air, so they developed vascular tissue to transport water/sugar within the plant.</span>
7 0
3 years ago
What is the energy brought by electron carriers to the<br> mitochondria used for?
Nonamiya [84]

Answer:

The correct answer will be- to synthesise the ATP molecules in respiration process.

Explanation:

The electron transport chain is the last phase of the cellular respiration which helps in the synthesis of a large number of ATP molecules.

The ATP molecules are synthesized when the energy generated by the movement of protons through CF₀ unit takes place.

The movement of electrons in the chain leads to the movement of proton from the mitochondrial matrix to the intermembrane space. This creates the proton gradient across the membrane which to equilibrate the protons move down the concentration gradient through ATP synthase. The energy while this is used to rotate the ATP synthase which coverts the ADP to ATP.

Thus, to synthesise the ATP molecules in the respiration process.

3 0
3 years ago
In 1958, Meselson and Stahl conducted an experiment to determine which of the three proposed methods of DNA replication was corr
Katen [24]
<h2>Meselson and Stahl conducted an experiment to determine the correct proposed methods of DNA replication was semi-conservative. the three proposed models for DNA replication are semi-conservative, conservative, and dispersive.</h2>

Explanation:

In Semi-conservative replication model, the two strands of DNA uncoil from each other. It perform with the original strand and a new strand.

In Conservative replication model, DNA replication didn't open at all, but the parent strands remains undamaged by creating a new and separate  molecule that consists of two new strands.

In Dispersive replication model, DNA replication results in two DNA molecules that consists of both parental and daughter DNA.

He demonstrated that semi-conservative DNA replication is an universal mechanism allocated by all organisms on Earth.

4 0
3 years ago
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