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3 years ago

What is the function of the seed (fertilized egg)? Q#21 on pic

Biology

1 answer:

son4ous [18]3 years ago

8 0

Answer: Seeds serve several functions for the plants that produce them. Key among these functions are nourishment of the embryo, dispersal to a new location, and dormancy during unfavorable conditions.

Explanation: i hope this answers your question nd have a nice day or night

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When farmers irrigate their crops, as much as 60 to 70 percent of the water _____.

nata0808 [166]

Never reaches the crops.

Hope this helps!

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3 years ago

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What mean the hitology

faltersainse [42]

You mean histology right??

Histology:

Histology, also microanatomy, is the ponder of the life structures of cells and tissues of plants and creatures utilizing microscopy.

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3 years ago

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what is an autotroph that that transforms energy from the sun to make its own food and is eight letters long?

krok68 [10]

Answer: producer

Explanation:

producers such as plants and algae make their own food from the sun through photosynthesis

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3 years ago

Use this portion of a dichotomous key for tree identification to answer the question.

Charra [1.4K]

Answer:

They are nonlobed, simple leaves and are attached oppositely on the branch.

Explanation:

A dichotomous key is a tool you use in biology to know the identity of things in nature such as trees,flowers, fish or even rocks. This key has choices that follow each other in a progressive manner, where one choice led to the other until you identify the item.In this case, to identify Dogwood, you follow the below steps;

1b. Broad leaf = Step 2

2b. Simple leaf = Step 7

7a. Leaf bases attached opposite each other on branch = Step 8

8b. Leaves not lobed = Step 9

9b. Leaves not heart shaped = Dogwood

The key is (1b,2b,7a,8b,9b)

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3 years ago

Match each lipid with its correct components or description.

Mumz [18]

Answer:

(1) glycerophospholipids ⟶ (C) lipids with phosphate-containing head groups

(2) cerebrosides ⟶ (D) fatty acid linked through an amide bond to the sphingosine C(2)-amine

(3) gangliosides ⟶ (B) anionic sphingolipids containing one or more sialic acid residues

(4) sphingolipids ⟶ (A) built on sphingosine

Explanation:

1) Choline (Fig. 1) is a glycerophospholipid. It is a glycerol-based lipid with a phosphate-containing head group.

(2) Galactosylceramide (Fig. 2) is a cerebroside. It contains a fatty acid linked through an amide bond to the sphingosine C(2)-amine

(3) Gangliosides are glycosphingolipids that contain sialic acid. GQ1b (Fig. 3) is one of the most abundant gangliosides in the human brain. The carboxyl group of the sialic acid is in the ionic form.

(4) Sphingomyelin (Fig. 4) is a sphingolipid. It is based on sphingosine, with a phosphocholine head and a fatty acid chain.

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3 years ago