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spin [16.1K]
3 years ago
12

The tall wetland plant, purple loosestrife, was brought from Europe to the

Biology
2 answers:
pishuonlain [190]3 years ago
4 0
This plant is an invasive species.
Lemur [1.5K]3 years ago
3 0

Answer: an unintended effect of adding a species to an ecosystem.

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PLEASE HELP
Gre4nikov [31]

Answer: a. an anticodon and an amino acid

Explanation:

The following is a typical structure The tRNA where we can observe an anticodon that binds to the nucleotide sequence of the mRNA and an amino acid that in triplet encodes for an protein.

7 0
3 years ago
Bear pigmentation is subject to epistasis of the B alleles by the d alleles. B (black) is dominant over b (brown). D is dominant
White raven [17]

Answer:

9/16 black, 3/16 brown, 4/16 white

Explanation:

             BD         Bd          bD         bd

BD     BBDD      BBDd     BbDD     BbDd

Bd      BBDd      BBdd     BbDd      Bbdd

bD      BbDD     BbDd      bbDD     bbDd

bd       BbDd    Bbdd       bbDd     bbdd

A punnet square can be described as a diagram which is made to predict the genotype as well as the phenotypes of the offsprings of a cross.

To study the epistatis nature of the pigmentation in bear, a punnet square was made and the results of the punnet square are shown above.

The results of the punnet square show that the cross between two bears will have the chances of producing 9/16 black bears, 3/16 brown bears and 4/16 white bears.

4 0
3 years ago
Which term is used to describe what causes organisms to react to their environment? A. Stimulus B. Camouflage C. Parasites D. ho
Shalnov [3]
<span>A. Stimulus is the term used to describe what causes organisms to react to their environment. Stimulus is something that can provoke organisms to respond to the world around them. For example, if you put your hand on the stove, the stove is going to be the stimulus for you to get burned and move your hand from it because it will be to hot - that is going to be your reaction to the stimulus. Camouflage is a type of hiding mechanism, parasites are organisms, and homeostasis is equilibrium in an organism. </span>
4 0
3 years ago
Overexposure of animals to X-rays is dangerous because X-rays are know to damage DNA. A direct result of this damage is cells wi
pickupchik [31]

Answer:

radiation

Explanation:

7 0
3 years ago
What is the most important mineral in a layer's diet and why? Has to do with chickens
lord [1]
Functional and economically most important mineral in nutrition of layers
is calcium, primary because of egg production, i.e. forming of the egg shell.
4 0
3 years ago
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