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Delvig [45]
3 years ago
15

HELP PLEASE!! WILL MARK CORRECT ANSWER BRAINLIEST!!! DUE TODAY PLEASE PLEASE HELP! 30 POINTS

Biology
1 answer:
marta [7]3 years ago
6 0

Answer: 100% are round because they have the dominant trait (F)

The second one is 0%

Explanation:

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In his experiments with different competing pairs of Paramecium species, Gause found that sometimes both species persisted and s
UkoKoshka [18]

Answer: The options are not given, here are the options.

A. One species is much better competitor than the other.

B. Periodic disturbances allow for coexistence.

C. Two species tended to use different resources.

D. The two species experienced interference competition and not exploitative competition.

The correct option C.

Two species tended to use different resources.

Explanation:

From Gause experiments on competing paramecium pairs, He found out that most times both species persisted and sometimes only one did because the two species uses different resources.

Organisms normally compete for limited resources in order to survive and one intend to compete well while other suffer. Both in the case of competing paramecium pairs, the pair use different resources which make the to persist and survive well. Once the resource of one finishes, the other one will persist because it is still surviving on its available resources.

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3 years ago
What is the main thing that drives water to move up from roots through the stem or trunk and to the leaves in plants?.
Sergio039 [100]

As water molecules from plant leaves evaporate, they attract the water molecules that are still present in the plant, aiding in the movement of water from the roots up through the stems. The water in a plant is transported from the bottom to the top by the combined effects of transpiration and capillary action.

  • Water molecules ascend up the cellulose tubes from the roots to the leaves because they tend to cling together (cohesion) and stick to the walls of tubes (adhesion). The water from the leaves then evaporates, aiding in the root system's ability to absorb additional water. We call this mechanism capillary action.
  • Water and minerals travel upward from the roots through the xylem due to a negative water potential gradient created by the evaporation of mesophyll cells in the leaves. Small perforations between vessel elements must be made to reduce gas bubbles in the xylem since they can obstruct water flow in the plant.

Learn more about Xylem here:

brainly.com/question/17881747

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4 0
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A dilated vein that returns blood from the coronary circulation to the right atrium is the __________.
maw [93]
I believe its large blue vessel also known as vena cava
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City heat islands cause
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effect is from the modification of land surfaces. Waste heat generated by energy usage is a secondary contributor.

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3 years ago
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Nucleic acids (DNA and RNA) are made of phosphorus, hydrogen, carbon, oxygen, and nitrogen.
S_A_V [24]

Answer:

A. True

Explanation:

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2 years ago
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