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Biology

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Nata [24]3 years ago

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The first answer
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Please help me with this

vova2212 [387]

Answer:

3.The plants get their energy from the sun.

4.Most of the arrows are facing the eagle.

5.The rabbits and snakes would overpopulate.

Explanation:

7 0

3 years ago

* Apply Concepts A particular plants diploid number of chromosomes is 50. Describe the number of chromosomes in one of the plant

Gnoma [55]

Chromosomes have hereditary function that are capable of self-duplication and they have thread-like structures seen inside the nucleus of plant and animal. In plants, they go through a cycle called alteration of generation that has multicellular stages. One is sporophyte that is a diploid, and the other is gametophyte with a haploid.

Moreover, spores are produce through meiosis so it go through a process of chromosome reduction in order to create a haploid spores. While, gametes undergo mitosis and the structure is already a haploid, which means that the number of chromosomes will not change in order to produce haploid. In this case, the plant have both spores and gametes and the similarities is that, they are both singles celled and a haploid. Therefore, the number of the chromosome in the gametophyte generation is also 32.

3 0

3 years ago

What is the characteristics of a panther

QveST [7]

Answer:

Panther Has no spots on its long body or tail. But it ha shiny coat of dark fur, they have small heads , really strong jaws and mostly green eyes.

Explanation:

I hope this helps

5 0

3 years ago

In any food web, the organisms that are responsible for converting raw energy into usable chemical energy are collectively calle

ruslelena [56]

B) producers; decomposers.

5 0

3 years ago

3. What is crossing over? When does it occur during meiosis? Why did you have difficulty modeling this element of meiosis using

FrozenT [24]

Crossing over happens in Meiosis 1 only. In Prophase 1 a cells chromatin (chromatin = chromosomes that have not condensed yet) condense and pair up forming homologous chromosomes (paired = XX (2 chromosomes together)). When this happens segments/ alleles of the chromosomes pairing up swap over. This creates genetic diversity as each chromosome is different, it has parts from its pair. This leaves every chromosome unique and individual.

I hope this helps, sorry some of the vocab is rather technical. By the way I would suggest watching the 'Crash Course: Meiosis' on YouTube, this really helped me when I was learning this topic. :D

5 0

3 years ago

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