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givi [52]
3 years ago
11

In double fertilization, one sperm fuses with the egg to form the diploid zygote and the other sperm fuses with two polar nuclei

to form the ____________.
Biology
1 answer:
pochemuha3 years ago
3 0
T pollen grain fertilizes an egg cell while a second fuses with two polar nuclei to produce a triploid body that gives rise to the endosperm.
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An ecologist was observing two species of mouse that lived at different elevations on a mountain. In the lab, she observed that
dolphi86 [110]

The species had the same fundamental niche, but the high-altitude species was occupying a perceived niche, as it was inhabiting a different ecosystem, with different adaptations, but being the same species.

<h3>Why is the perceived niche considered a subset of the fundamental niche?</h3>

Well, as we know, the perceived niche is smaller than the fundamental niche, in other words it is a specific portion of the fundamental niche, so it is considered a subset of the fundamental niche.

With this information, we can conclude that the species had the same fundamental niche, but that the high-altitude species was occupying a perceived niche, as it was inhabiting a different ecosystem, with different adaptations, but being the same species.

Learn more about Niche in brainly.com/question/814740

8 0
2 years ago
Carla was recently diagnosed with a brain tumour and has since completely lost
Eduardwww [97]

Answer:

hypothalamus

Explanation:

Hunger is partly controlled by a part of your brain called the hypothalamus, your blood sugar (glucose) level, how empty your stomach and intestines are, and certain hormone levels in your body. Fullness is a feeling of being satisfied.

6 0
3 years ago
How many lumbar vertebrae are there in a typical adult skeleton?
garri49 [273]

Answer:

5 lumbar vertebrae

Explanation:

As you can see in the image I annexed, a typical adult skeleton has 5 lumbar vertebrae (colored in red), they are cylindrical bones located between the rib cage and the pelvis, they are the largest segments of the vertebral column. These vertebrae carry all of the upper body’s weight, they protect the spinal cord and nerves in the vertebral canal, they also provide flexibility and movement to the trunk region.

I hope you find this information useful and interesting! Good luck!

8 0
3 years ago
Definitions
Pani-rosa [81]

Answer: Oh boy this is a lot.

Explanation:

1. Organ

2. Nervous tissue

3. Connective tissue

4. Tissue

5. Respiratory system

6. Epithelial tissue

7. Endocrine system

8. Cells

9. Insulin

10. Homeostasis

11. Muscle tissue

12. Organ system

I hope this helps! :)

3 0
3 years ago
Density is mass divided by volume (d = m+ y). Based on the graph, what happens to a fixed mass of water when it is cooled from 4
djverab [1.8K]

Answer:

no freaking clue buddy that looks made up

Explanation:

ion know

3 0
3 years ago
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