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Nana76 [90]
2 years ago
13

A student placed a semipermeable membrane inside a U-shaped channel with two chambers, as shown. The

Biology
1 answer:
yanalaym [24]2 years ago
5 0

Answer:

Placing salty water in  A and distilled water in  B.

Explanation:

The fastest net rate of water movement into the A-side will occur if we place salty water on that side and distilled water in the other one. The reason for this is that the A-side contains a higher concentration of solute than B. So, the water will pass the semipermeable membrane and go to the A-side to valance the concentrations on both sides. As we can see, there is an increase in the net rate of water movement into A.

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Brady took a cutting from a sweet potato vine in his family garden and placed the vine in a small vase filled with water. After
Brums [2.3K]

Answer: asexual reproduction

Explanation:

From the question, we are informed that Brady took a cutting from a sweet potato vine in his family garden and placed the vine in a small vase filled with water. We are further told that after about a week, tiny roots had begun to grow. This is simply an example of asexual reproduction.

Asexual reproduction is simply refers to a form of reproduction which doesn't have to do with changing the chromosomes or gametes fution. In this case, the fact that tiny roots began to grow despite the fact that there was no fusion of gamete shows that it's an asexual reproduction.

8 0
1 year ago
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he birds shown above have beaks with three different shapes and sizes.these genetic variations in the black each appeared initia
faust18 [17]

Answer:

mutations

Explanation:

5 0
2 years ago
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7. Mrs. Everhart developed the theory that all bulldogs are great pets. After all her bulldog Meatball is a
Leno4ka [110]

Answer:

No it is not a scientific theory.

Explanation:

An explanation of any aspect of the natural phenomenon of the world that can be tested several times and well supported by the evidence, and follows the scientific method. Furthermore known as scientific theory.

Presently, a logical hypothesis must meet a few rules, and one of those is that it must be upheld by a few (and free) strands of proof.  

For this situation, we have just one hypothesis, that bulldogs are great pet and Meatball is great among bulldogs, and it isn't sufficient, at that point it can not be a scientific theory.

8 0
1 year ago
Which of the following are functions of lipids? Choose three correct answers. A. forming the exoskeletons of insects B. forming
irina [24]

The three correct answers are;

B. forming waxy leaf coverings

D. storing energy in fat cells

E. forming cell membranes

Lipids are a large group of biological molecules that include phospholipids, fats, oils, waxes and some steroids. Almost all lipids are hydrophobic (i.e. insoluble in water). Lipids play many important different functions in a cell. Lipids are vital component of all cellular membranes. They store energy in the form of fats in the body. Waxy coverings on some leaves are composed of lipids. Lipids are also essential for heat insulation, cellular communication and protection.


8 0
1 year ago
An ecology research project aims to understand how reducing habitat size impacts extinction rates of a beetle species. Relevant
butalik [34]

ANSWER: POPULATION ECOLOGY

EXPLANATION:

The scientific field that deals with populations (i.e all individuals of a single species inhabiting a community) and how they interact with their extrinsic environment, is referred to as POPULATION ECOLOGY.

Thus, it's categorized under population ecology, because the research depicts how the number of individuals (beetles) in a population changes in time and the gross impact on their number decrease and loss of all the individuals (extinction) over a period of time.

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1 year ago
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