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Marina CMI [18]
3 years ago
11

Keystone predators often help maintain ecological stability in a community if they

Biology
1 answer:
fiasKO [112]3 years ago
6 0

Answer:

A keystone species helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether.

Explanation:

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What is the name of the principle that is based on greek and latin roots meaning "head-to-tail"?
telo118 [61]
The principle is called CEPHALOCAUDAL PRINCIPLE.
This principle proposed that growth follow a particular pattern in which the head and the upper part of the body grow first before the growth proceeds to other part of the body. 
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3 years ago
The gene for petal color in a flower has incomplete dominance, so that individuals with two A1 alleles (A1A1) are black, individ
Verdich [7]

Answer:

The probability of getting a mottled offspring is 0%. There is no A2 allele involved in the cross.

Explanation:

<u>Available data</u>:

  • The gene for petal color in a flower has incomplete dominance
  • Two A1 alleles (A1A1) express black color
  • Two A2 alleles (A2A2) express white color
  • One of each allele (A1A2) express mottled color

In a cross between two black flowers, there is no allele A2, there are just two alleles A1. So, the cross is:

Parental)    A1A1    x    A1A1

Gametes)  A1   A1       A1   A1

Punnet Square)     A1         A1

                   A1    A1A1     A1A1

                   A1     A1A1     A1A1

F1 Phenotypes: 100% black flowers

F1 Genotype: 100% A1A1

There are 0% of probabilities of getting a mottled offspring.

7 0
3 years ago
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Evolution is basically the journey of life as a single cellular cell milions of years ago to all the species we have now on Eart
skelet666 [1.2K]

Answer:

yeah but what is the question

3 0
2 years ago
What do all vertebrates and invertebrates have in common?
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Animals can be classified into two main groups:vertebrates and invertebrates<span>. The main difference between </span>vertebrates and invertebrates<span> is that</span>invertebrates<span>, like insects and flatworms, </span>do<span> not</span>have<span> a backbone or a spinal column. Examples of</span>vertebrates<span> include humans, birds, and snakes. hope this helped</span>
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3 years ago
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Write one article on national integration
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National integration is of paramount importance for a vast country like India. India is a multi-lingual and multi-racial state. From time immemorial people of diverse communities, castes and religions have been living here peacefully. In fact, unity in diversity is the very strength of her civilization.

Religious intolerance disturbs the unity, integrity and solidarity of any nation. It must be stamped out at any cost. Besides, removal of poverty and casteism, restoration of moral and political sanity are the need of the hour.

Hope this helped let me know if it was wrong. :)

5 0
3 years ago
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