The answer's D. Cretaceous.
Answer:
necessity
I could be wrong because you didnt give me more context but it's fine its probably right.
Answer:
They are the first trophic level in an ecosystem and without them the rest of the organisms in the ecosystem would have no source of energy
Explanation:
The autotrophs are the producers in the ecosystem. They manage to produce food for themselves, and they represent the first trophic level, thus they are the basis of any ecosystem. These organisms are the once that produce the energy, and the organisms in the trophic levels above them use their energy to survive. If the autotrophs are removed from and ecosystem, the ecosystem will collapse, as there will be no source of energy for the organisms in the trophic levels above, thus all of them will die out quickly.
Answer:
Pilar ended up conforming to this particular social setting's negativity.
Explanation:
Pilar's co-workers do not show support for the causes in which she participates, on the contrary, they underestimate her and denigrate the capacities she has and the possibility of being rewarded for the hard work she intends to do. This does generate an environment full of negativity, which can harm everyone involved. The fact that Pilar, overcoming this environment, winning the prize and giving a sincere speech, regardless of what her colleagues said, shows that she got used to and adapted to a place with this type of negativity.
Answer:
f(A1) = 0.9700, f(A2) = 0.0300
Explanation:
The frequency of homozygous recessive genotype of children is
As per Hardy weinberg's equation, frequency of homozygous recessive genotype is represented by
Here 
Thus, frequency of recessive allele would be
as per first law of Hardy weinberg
Hence, option C is correct
