Answer:
beneficial mutation
Explanation:
A mutation is any alteration in the genetic material of an organism. In general, mutations have a negative impact on the fitness (or reproductive success) of the individual that carries this mutation; however, there are situations where a mutation may be beneficial for the individual in a given environment. When a beneficial mutation occurs in the germline, it potentially can be passed to the next generation and progressively increases its frequency in the population.
Which of the following species reproduces by internal fertilization?
a) cats
(b) Toads
(c) The fish
(d) alternative b and c
Answer:
(a) Los gatos
Explanation:
Only cats are capable of internal fertilization from the given choices above.
Internal fertilization is the fusion of gametes within an organism. This process occurs during sexual reproduction within the female.
- Toads and fishes exhibit external fertilization.
- External fertilization occurs where the male sperm externally fertilizes the eggs of the female.
- This usually takes place in a moist or wet place especially water bodies. The liquid medium will transport the sperm to the egg.
In cats, the female specie takes in reproductive cells from the male during coitus and it fertilizes the her eggs to produce a zygote.
<span>tRNA carries a single amino acid to the ribosome.
It fits the codon on the mRNA in the ribosome with it's anti-codon.
The ribosome has peptidyl-transferase activity which catalyses the peptide bond between 2 amino acids on 2 tRNAs in the ribosome.
One tRNA is released and then picks up another amino acid depending on its anti-codon.
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Answer:
Well to give a good example of "ecosystem increases its biodiversity" we must first define
biodiversity
"the variety of life in the world or in a particular habitat or ecosystem."
SO an example would be like bringing a frog from china to a pond in amercia,but this frog is new and there arent any frogs from the speicus
