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gavmur [86]
3 years ago
14

What is the big bang theory, explain it in theory

Biology
1 answer:
KIM [24]3 years ago
6 0

Explanation:

The Big Bang Theory is the leading explanation about how the universe began. At its simplest, it says the universe as we know it started with a small singularity, then inflated over the next 13.8 billion years to the cosmos that we know today

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Describe the weather factors that are important in determining where plants and animals can exist in an area.
nekit [7.7K]

Answer:

rain is very important for life in certain areas, this is why you see little life in deserts and even they need rain occasionally. more rain will lead to more life, first, it will be the plants that move in, then once they grow, vegetation eaters will move in, then after that meat-eaters will move in to eat those creatures and the ecosystem will flourish.

4 0
3 years ago
Briefly describe asexual reproduction in plants
AysviL [449]

Asexual reproduction requires only one parent. Since there is only one parent, there is no exchanging of genetic information, and the offspring are clones of the parent. Asexual reproduction in plants can occur in a variety of forms, including budding, vegetative propagation, and fragmentation. Let's discuss these reproduction types.

Have you ever found an old potato hidden in the back of a cabinet in your kitchen? If a potato sits around for a long time, it will have many small growths, commonly referred to as 'eyes'. Each of these sprouts can be cut from the potato and planted. They will grow into a clone of the original plant that produced the potato. This is a classic example of budding.

For an example of vegetative propagation, let's look at the strawberry plant. If you plant strawberries, you will notice that a row of plants will quickly spread into a large mass of plants. This is because they do a type of vegetative propagation by producing runners. Strawberry plants send out horizontal stems known as stolons. These stems will work their way into the ground in places and form roots, and eventually a new plant will grow.

A third type of asexual reproduction in plants is called fragmentation. This type of asexual reproduction is often used by nurseries and greenhouses to produce plants quickly. For many plants, a clone can be created by breaking off a portion of the stem and placing it in soil or water, depending on the plant. This also happens naturally when small parts of a plant fall off onto the soil and begin to grow into a new plant. An example of fragmentation occurs in liverwort plants, whose small stems or leaves are often broken off by animals or wind and then grow into clones of the parent plant when they land in the soil. I hope this helps 

3 0
3 years ago
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If a person has memory B cells against a certain pathogen, the person is____________. A. likely to develop that disease. . . B.
Ilia_Sergeevich [38]
If a person has memory B cells against a certain pathogen, the person is much less likely to <span>develop the disease a second time. The correct option among all the options that are given in the question is the second option or option "B". I hope that this answer has come to your help.</span>
5 0
3 years ago
A gardener crosses tall true–breeding pea plants with short true–breeding ones. Tall plants are dominant to short ones. He colle
lina2011 [118]
Not sure about where did you collect the seeds.

But all of the F1 should be tall because the tall plants are dominant originally

F2 will have 3/4 to be tall, assuming this genetic case is determined by only one factor, like Aa
8 0
4 years ago
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What did scientists do to save the California condors from extinction?
valina [46]
#1. They brought them all to a captivity place where they slowly had there population grow more and more. origanly there were only 500 left in the world. now we brought their numbers back up to the Thousands
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