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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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For this question I'm not too sure what you're asking because cells that transport water are basically xylem cells and these cells are hollow with nothing in them, and they transport water against gravity because of transpiration pull, capillary action and root pressure.
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4 0
3 years ago
4. Suppose that a dominant allele (P) codes for a polka-dot tail and a recessive allele (p) codes for a solid colored tail. If t
lisov135 [29]

Answer:

The correct answer would be:

  • Genotype ratio: 1 (PP) : 2 (Pp) : 1 (pp)
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The genotype of both parents is Pp (heterozygous).

Thus, both the parent would produce two types of gametes which are P and p.

The cross would result in the production of offspring with three types of genotype PP, Pp, and pp in 1:2:1.

Offspring with PP and Pp will have a polka-dotted tail as it is the dominant trait.

Thus, the phenotype ratio would be 3 (polka-dotted tail) : 1 (solid colored tail).

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Reservoir is the answer to your question. 
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Which organism has a better chance of leaving a fossil a jellyfish or a bony fish?
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