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Sidana [21]
3 years ago
6

1. Which event describes a change where evolution has happened?

Biology
1 answer:
serg [7]3 years ago
5 0
First one is C, second one is B, third one is C
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Cccccccccccccccccccccccccccc
6 0
1 year 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)

8 0
3 years ago
1. Which of the following processes requires ATP?
Verizon [17]

Question 1. Which of the following processes requires ATP?

A.osmosis

B. facilitated diffusion

C. moving down the concentration gradient

D. active transport

2. What is made in the nucleolus?

A. lipids

B. ATP

C. Ribosomal RNA

D. proteins

3. What is a function of Cilia?

A. help w cell division

B. provide structural support

C. move materials on the outside of the cells

D. provide sperm w motility

Answer:

1. d

2.D. proteins

3. D. provide sperm w motility

Explanation:

7 0
3 years ago
Question 1: Some cells produce and secrete high levels of digestive proteins. Which organelles would you expect to be abundant i
Bumek [7]

Answer:

q1 : ribosomes because they are responsible for protein synthesis

q2 : by transporting potassium ions into the cell and sodium ions out of the cell maintaining a concentration gradient

q3 : seawater contains a high concentration of sodium and chlorine ions that the Atlantic cod gets rid of by actively transporting them out of its body

8 0
3 years ago
Which one of the following is correct? I. All enzymes are highly specific for the reactions they catalyze. II. Prosthetic groups
ehidna [41]

Answer:

I is the correct answer

4 0
3 years ago
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