BIOLOGY HIGH SCHOOL

Which structure in plants allowed the first land plants to survive out of water?A. cuticle
B. epidermis
C. guard cell
D. spongy mesophyll

Answers

Answer 1
Answer:

The structure of plants that allowed the first land plants to survive out of water is known as the cuticle. Thus, the correct option for this question is A.

What were the first plants to live on land?

The first plants that were tends to live on land are the Non-vascular plants, which include mosses and liverworts, which were the first-ever land plants. They do not have much of an internal support system but have slightly simpler material for the same tasks.

Early in their history, land plants also evolved a cuticle. The cuticle is the structure that involves a waxy layer on the outer surface of the aerial parts of a plant that helps to prevent water loss. Sometimes cuticle with details of epidermal cell structure is preserved in fossil plants.

Guard cells play an important role in the opening and closing of the stomata. While epidermis is the outer cell which prevent the whole plant form injury.

Therefore, the structure of plants that allowed the first land plants to survive out of water is known as the cuticle. Thus, the correct option for this question is A.

To learn more about Cuticle, refer to the link:

brainly.com/question/16419719

#SPJ6
Answer 2
Answer:

Answer:

A

Explanation:

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Which of the following is not a characteristic that distinguishes one type of forest from another, such as Siberian vs. Tropical Rain Forest? types of trees

age of trees

climate

precipitation

Answers

The correct answer is option B, Age of trees

The forest area is usually defined in terms of climatic condition prevailing with in it, the type of flora and fauna found, the area of the forest , its geography (including location, latitudes, nearby geographical features etc. ) and the geological conditions (soil type etc.). Age of the trees in its flora diversity is of no subsequent parameter to distinguish between two forest areas.

Age of trees, I think. 

How is digestion different in the small and the large intestine?

Answers

One of them takes out the nutrients of your food and the other makes, well, poop.

The fibrous outer layer of the eye which retains the overall shape of the eye is the _____. sclera cornea aqueous humor iris

Answers

The best answer is Sclera.The sclera is the tough outer coat of the eye that covers the eyeball except for the cornea. It is a tough opaque tissue that serves as the protective outermost coat of the eye and provides structure and strength to the eye.It is also known as the white of the eye.Attached to the sclera, are six small muscles that control the movement of the eye.In elderly people, the sclera may appear yellow in color.

the sclrea. hope it helps.

7. Which situation best represents a mutualistic relationship?A A tapeworm absorbing nutrients from the intestine of a dog
B An orchid being pollinated by a nectar collecting wasp
C A human losing blood to a feeding mosquito
D An armadillo rooting in the soil at the base of an oak tree

Answers

Answer:

The answer is option B

Explanation:

A mutualistic relationship between two organisms of different species is the type of relationship in which the organisms benefit from each other without being harmed.

From the question the mutualistic relationship here is option B

Since the when the wasp collects the nectar the wasp gains food and in the process the plant also gets pollinated without each other being harmed.

Hope this helps you
b both are benefiting

Select all that apply. Which vertebrates are endothermic?-birds
-reptiles
-amphibians
-mammals
-bony fish

Answers

Vertebrates that are endothermic are birds and mammals. Endothermic organisms are able to regulate their own body temperature while ectothermic organisms depend on the temperature of the environment. Birds and mammals are endothermic organisms. Fish, amphibians, and reptiles are ectothermic organisms.

Answer:

Birds, mammals, bony fish

what is the function of Placenta? During which stage is it completely formed? &How will the fetus body temperature be regulated after birth? During which stage does this method of regulation develop?

Answers

the placenta allows nutrients and oxygen travel from the mother to the fetus(or to the Baby.
The placenta is fully formed by 18 to 20 weeks
These are all I know
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