Answer:
a. population
Explanation:
Gene flow cannot occur in hybrids because 99.9% of the time hybrids offspring are not fertile.
At genus level is not possible either because a hybrid is a cross breed at the genus level (horse-donkey).
A population is a group of species of 1 kind. A population of donkeys.
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Answer:
the animals
Explanation:
the difference between animal life in the Mesozoic Era and the early Cenozoic Era is that in the Mesozoic Era the reptiles were dominate and in the Cenozoic Era the mammals were dominate.
Answer:
The cells of living things are made mainly of four elements: carbon, hydrogen, oxygen and nitrogen. They make up 96% of the atoms that are in living things, so they would be considered major chemicals. However, depending on how you define major, other elements that only make up a few percent of cells can top the list.
Explanation:
Unlike, biotic factors, abiotic factors are considered to be non living things and or objects. These usually are the components surrounding the environment for which the organism is found in and requires.
These include : water, soil, sunlight, nutrients and minerals etc.
