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alex41 [277]
4 years ago
6

Molecular phylogenies show all land plants are a monophyletic group. This suggests ________.

Biology
1 answer:
guapka [62]4 years ago
5 0

Answer:

D.  There was a single transition from aquatic to terrestrial habitats

Explanation:

Based on the molecular differences at the level of DNA sequence and inheritance, the molecular phylogenies show that all land plants are a monophyletic group. This is why it suggests a single transition from aquatic to terrestrial habitats occur.

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Three discrete types of muscle fibers are identified on the basis of their size, speed, and endurance. Which of the following at
Tatiana [17]

Answer:

Long relaxing swim.

Explanation:

Muscle is one of the most important tissue of the body that helps in the control and the coordination of the body movements. Three different types of muscle are smooth muscle, cardiac muscle and skeletal muscle.

The red fibers are the slow twitch fibers that contains large amount of stored oxygen in their muscles. These fibers can generate ATP by the fat and the glycogen metabolism. This fiber will help the swimmers to obtain energy at the end of the race to overcome the oxygen deficiency.

Thus, the correct answer is option (C).

5 0
4 years ago
5. Students in a science class want to design an investigation to determine if a fertilizer added to soil affects the height of
Afina-wow [57]
A is the answer. You would need soil with different amounts- including no amount- to determine how the fertilizer affects the plants
Since you are measuring the height a ruler would be a good idea as well.
6 0
3 years ago
30 POINTSS PLZ !!!! what is the most importance of the cell cycle for organisms? check all that apply.
Tema [17]

creation of new organisms

reproduction of new cells

When cells are damaged, they usually die. Also, they don't grow, instead, they multiply to form new tissue. Therefore, answers (1) and (3) are not correct.

6 0
3 years ago
Read 2 more answers
How does water's polarity help it to dissolve so many substances?
nignag [31]

Answer:

When a polar substance is put in water, the positive ends of its molecules are attracted to the negative ends of the water molecules, and vice versa

Explanation:

id if this helped but

3 0
3 years ago
The xylem generally transports _____, whereas the phloem transports _____.
kenny6666 [7]
The answers are "water and mineral ions" and "amino acids and sucrose" respectively.

For the xylem, it usually transports water and mineral ions that are absorbed from the root hair cells up to the leaves, where photosynthesis take place. Water is one of the necessary substance for photosynthesis to take place, while different mineral ions can help the plant by for example Magnesium ions can help produce chloroplast.

While phloem transports amino acid and sucrose from the location of production (eg. Leaves by photosynthesis) to the place where it is used or stored. Plant needs these substances to generate energy for activities such as growth by for example cellular respiration. This process is called translocation.

Both of these tubes help transport substances in the plant, in order to keep the plant alive.
3 0
3 years ago
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