<span>The mouse and rabbit both have a competitive relationship. They both have a place in a similar class. They are in the group of mammalia. There are environmental connections of which two are oppositional and four are harmonious. The oppositional connections are predation and rivalry.</span>
Answer:
A- Different species
Explanation:
Dogs and Cats are distinct species incapable of producing offspring because of the many differences in their genome.
Answer:
D. Hypothesis.
Explanation:
A hypothesis is defined as an idea or explanation which can be further tested through study and experiments. It is a proposed explanation for a phenomenon.
Scientists generally base scientific hypotheses on previous observations that cannot be explained with the available scientific theories.
Pond ecosystem considered as an open ecosystem because pond is always open . There is an interaction of pond with atmosphere , due to which it ecosystem becomes open.
