An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there by human activity, directly or indirectly, and either deliberately
<span>
Answer: 5% to 20% </span>
Energy flow can be defined
as the amount of energy that moves through a food chain and it flows through
ecosystem in one direction. Thus, the largest source of energy for an ecosystem
is the sun and the energy that enters the ecosystem is usually measured in
calories or joules.
Answer:
A Populations that exhibit altruism in its members likely allowed more members of the group to survive and reproduce.
Answer:
D. tilt
Explanation:
because tilt makes some of the earth face farther away from the sun than other parts at any given time of the year.
