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Fittoniya [83]
3 years ago
4

which best describes a gene? 1. the short arm of a a chromosome 2. tightly coiled strands of DNA 3. the center of a chromosome 4

. a segment of chromosomal DNA​
Biology
2 answers:
Stells [14]3 years ago
8 0

Answer:

It's D. A segment of chromosomal DNA.

Explanation:

RoseWind [281]3 years ago
4 0

Answer:

D

Explanation:

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One way to protect biodiversity is to set aside more wilderness land. Humans are not allowed in these areas.
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Over a period of two generations, the frequency of green dung beetles in a population shifts from 75% to 71% while the frequency
tekilochka [14]
This is an example of microevolution.

Microevolution
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5 0
3 years ago
The final consumers and many food webs are
dem82 [27]
The answer to this question would be: (4)carnivoresFood made by autotrophs which makes them placed first in food webs as they produce food. After that, the herbivore can digest the food made by autotroph, makes them places as the first consumer. Carnivores is the organism that eats meat, makes them the last consumer.
7 0
4 years ago
Viviparous type of seed germination is found in
PtichkaEL [24]

Answer:

(4) Both (1) & (2)​

Explanation:

Viviparous germination is a type of seed germination in which seeds germinates but still attached with the plant body. This type of germination is present in plants such as Sonneratia and Rhizophora. In these plants, the embryo which is present inside the seed grows and break the seed coat and after that, it comes out the fruit which is still attached to the plant.

4 0
3 years ago
3.Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into playRequire
fredd [130]

Answer:

The correct answer is - Friction occurs irrespective of the state of the matter.

Explanation:

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Pushing a book on a table, pulling a heavy cart on road all are examples of friction. The friction that occurs in liquids and gases is called fluid friction. Thus, the friction takes place irrespective of the state of the matter.

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3 years ago
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