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Brrunno [24]
2 years ago
12

What is made when a sperm cell combines with the polar nuclei?

Biology
1 answer:
balandron [24]2 years ago
8 0

Answer:

Explanation:Two of the nuclei (the polar nuclei) move to the center of the embryo sac and fuse together, forming a single, diploid central cell. This central cell later fuses with a sperm to form the triploid endosperm, which will ultimately provide nourishment for the developing embryo (analogous to yolk in animal eggs).

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In a plant cell, DNA can be found in?
hoa [83]

Answer:

D. All of the above

Explanation:

Like all living organisms, plants use deoxyribonucleic acid (DNA) as their genetic material. The DNA in plant cells is found in the nucleus, the mitochondria and the chloroplasts. The latter two organelles are descendants of bacteria that were captured by a eukaryotic cell and have become endosymbionts.

8 0
3 years ago
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PS: PLEASE DO NOT PUT A LINK I AM NOT GOING TO OPEN THE LINK THAT IS IN THE ANSWER SECTION! THERE ARE 4 QUESTIONS.
k0ka [10]

Answer: 1. a. logistics model of growth

2. a. environmental conditions

3. b. all limiting factors

4. b. water availability

Explanation:

1. a. logistic model of growth will show the increase in population of a species in accordance with the carrying capacity exponentially but when the population will experience the scarcity of resources it will decline considerably.

Carrying capacity is the total number of members of the population of a species that an ecosystem can sustain by providing resources.

2. b. All environmental conditions which favor the survival of the living beings will contribute to the carrying capacity for example food, water, shelter, and other resources.

3. b. Limiting factor is the one which limit the chances of survival and growth of a particular species in an ecosystem. For example, scarcity of food, here food is the limiting factor.

4. d.  A density dependent limiting factor is the one which affects the population of the species based upon the density. The water availability is a density dependent limiting factor because the more the density or abundance of a population more will be the scarcity of water as it will be required by all organisms. So, the species population may experience decline due scarcity of water.

8 0
3 years ago
Living in a tropical environment where one learns to orient oneself through a vertical landscape of tall trees and speckled ligh
kykrilka [37]

Living in a tropical environment where one learns to orient oneself through a vertical landscape of tall trees and speckled light is part of spatial orientation.

<h3>What is the rain forest zone?</h3>

The tropical rain forest zone is the zone that is known to have a very high amount of rainfall for most of the year. The rain forest zone often has a lot of luxuriant trees that blossom all year round and serve as a breeding ground for many insects such as mosquitoes.

Most of the trees in the tropical rain forest zone are arranged in strata where the tallest trees often form a sort of canopy in the area thereby reducing the light that gets to the pants that are found below and keeping the area cool.

Hence, living in a tropical environment where one learns to orient oneself through a vertical landscape of tall trees and speckled light is part of spatial orientation.

Learn more about rain forest zone:brainly.com/question/11566989

#SPJ1

5 0
1 year ago
What came first? The chicken, or the egg?<br><br><br><br>:3​
Novay_Z [31]

Answer:

egg lol

Explanation:

hi :p

3 0
3 years ago
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Based on your knowledge of photosynthesis, what environmental factors (abiotic or biotic) could affect this process?
poizon [28]

in my knowledge biotic factors could affect this process of photosynthesis

7 0
3 years ago
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