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Sophie [7]
2 years ago
14

In one or two sentences, describe how an invasive species can be introduced into an ecosystem by humans. Name a specific situati

on and species and how it would affect the ecosystem. Help
Biology
2 answers:
Kazeer [188]2 years ago
7 0

Answer:

Invasive species are among the leading threats to native wildlife. Approximately 42 percent of threatened or endangered species are at risk due to invasive species.

Xelga [282]2 years ago
4 0

Answer:

Explanation:

Invasive species are among the leading threats to native wildlife. Approximately 42 percent of threatened or endangered species are at risk due to invasive species.

The other person stole my answer from another web that i posted on

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¿Estás buscando ayuda para escribir una carta?
5 0
2 years ago
Two species of garter snakes live in the same geographic area. One lives mainly in water and the other mainly on land; therefore
11111nata11111 [884]

Answer:

The correct answer is ecological isolation.

Explanation:

The condition when two species in spite of living in the same region, exhibits certain characteristics, which inhibits them from mating with each other is termed as reproductive isolation. The obstructions or the causes that prevent them from interbreeding is known as isolating mechanisms.  

The given case is an example of ecological isolation and is one of the forms of reproductive isolation. Habitat or ecological isolation refers to the phenomenon in which two species cannot mate with each other as they thrive in two distinct locations. Like as mentioned, two species of garter snakes though coming from the same geographical area cannot interbreed, as one of them is living in the land and the other one in the water.  

7 0
2 years ago
The fur color in a colony of mice has been brown for many generations. One gene appears to code for the fur color pigment. In a
creativ13 [48]

Answer:

A mutation in the DNA sequence of the gene for brown fur  

Explanation:

The mutations are capable of changing the encoded protein product, in this case the gene that encodes for the fur color pigment. This mutation may have occurred during mitosis or meiosis divisions.

If it is a spontaneous mutation that occurred in the germinal line (meiosis) and confers an adaptive advantage, it will increase their frequency in the population.

5 0
3 years ago
Tobias has mononucleosis. Mononucleosis is a disease that tires and weakens the body. It is caused by a contagious virus that is
frez [133]
Tobias drank from a contaminated water fountain
9 0
3 years ago
if a cat has a short tail it has ss alleles for tail length. if it has a long tail, what are the possible alleles it could have
Dmitrij [34]

Answer:

SS,or Ss

Explanation:

If the alleles for short tail length is ss then it would be opposite for long tail length such as SS and if the long gene is in front then it will have the long alleles such as Ss

Hope this was helpful

5 0
3 years ago
Read 2 more answers
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