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Viefleur [7K]
3 years ago
6

Do all sperm look alike? What are some differences that sperm cells can have?

Biology
1 answer:
igor_vitrenko [27]3 years ago
3 0

Answer:

The more different the human is between human sperm to the eggs might just look different that every sperm is different because of the way their inherited DNA.

yeh.....

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How can beavers help dry areas? Fill in the inference in the chart.
lana [24]

Answer:

Beaver are helping to keep water in areas that would otherwise be dry." Even during drought, where beaver were present, there was 60 per cent more open water than those same areas during previous drought periods when beaver were absent.

Explanation:

5 0
3 years ago
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What are Homologous Structures in Evolution?
Ierofanga [76]

Because they were passed down from a common ancestor, homologous structures are those found in related organisms that are comparable. These structures might or might not serve the same purpose in their offspring. The hands of various different mammals are depicted in the figure below. The basic skeletal structure of each is the same.

What is offsrping?

a person, animal, or plant's offspring or progeny is the result of reproduction. Parental transmission of the illness can affect children,  a human or animal's direct offspring; a person born of parents  gave birth to a lone child.

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5 0
1 year ago
What was an unintended negative environmental consequence of improved technology in agriculture?
Mumz [18]

The correct answer is B. Modern technology allowed for larger expanses of land to become cultivated, so farming took over many natural areas that were important for wildlife.

Explanation:

In the last decades, the creation of agricultural technology has increased the efficiency of growing crops. This means now, all the process is more efficient, which leads to more products to be sold and an increase in profit. However, the possibility of large scale agriculture has caused more land is used for this purpose. This often implies natural ecosystems such as forests are destroyed and the land of these ecosystems, which is usually rich in minerals, is used for extensive agriculture. This is a negative consequence of agricultural technology as natural areas important for wildlife are taken for human profit.

8 0
3 years ago
Mitosis and meiosis always differ in regard to the presence of a. chromatids. b. homologs. c. bivalents. d. centromeres. e. spin
Fantom [35]

Answer:

c. bivalents.

Explanation:

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In mitosis, a bivalent is not formed. There is the presence of chromatids, homologs, centromeres and spindles during mitosis and meiosis.

5 0
3 years ago
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Nataly_w [17]

Answer:

is this an acttual question?

Explanation:

5 0
3 years ago
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