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daser333 [38]
2 years ago
5

Plant seedlings were treated with a range of concentrations of coumarin, a small organic compound.

Biology
1 answer:
Nuetrik [128]2 years ago
4 0
(True)-After one week, seedling height was taken as a measure of plant growth.
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Why does it take a long time to develop a new variety of tomato?
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I think A. but I ultimately don't know a lot about tomatoes. 
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4 years ago
How is the undergrowth of a tropical rain forest most likely to differ from the undergrowth of a temperate forest?
Ainat [17]

answer:

temperate forests undergrowth is less

tropical rain-forest undergrowth is very rare because of the poor penetration of sunlight on the forest floor.

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temperate:

Its wide leaves, large wild canopies and non seasonal vegetation.

trees are deciduous, which shed their leaves during the autumn.

forests have trees, shrubs and bushes mainly.

tropical :

tropical rain-forest undergrowth is very rare because of the poor penetration of sunlight on the forest floor.

also tropical rain forests remain moist always.

Almost no plants grow in this area due to this.

Due to lack of sunlight, things decay quickly here

brainly.com/question/11214203

6 0
2 years ago
The loss of a fetus before the 20th week of pregnancy is referred to as a(n) ___________. The medical term is spontaneous aborti
Ganezh [65]
I am pretty sure it is B, my second choice is D, its definitely not  A or C.

I hope this helps you:)
7 0
3 years ago
Read 2 more answers
What is spirogyra in biology​
ehidna [41]

Answer:

Spirogyra is a genus of green algae that belong to the order Zygnematales. These free-flowing, filamentous algae are characterized by ribbon-shaped chloroplasts that are arranged in a helical manner inside the cells. So the name is derived from the spiral arrangement of chloroplasts in these algae.

Explanation:

4 0
3 years ago
How would you expect selection against mutations to impact the slope of a best fit line of genetic differences between virion po
zzz [600]

Answer:

The correct answer is - decreases

Explanation:

In the case of selection against the mutation to affect the slope of best fit line of genetic differences decreases in between viral population due  to the reduced viral genetic differences. The reason behind this is genetic variation in the population decreases.

Thus, the correct answer is - decreases.

8 0
3 years ago
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