Kidneys
<span>The ___________ are part of the excretory system and are responsible for removing waste from the blood.</span>
Answer: Because it can change size based on the needs.
Explanation:
<u>The term niche defines an organism´s role in an ecosystem </u>and it also encompass what the organism eat or how it interacts with nonliving elements of the environent.
The realized niche could be regarded as flexible because it is able to change its size based on what it needs. For example, it could increases or decreases its size in competition between resources with other species since they are part of the same ecosystem.
Asexual reproduction im thinking
I think all of them are,polar bears have fur, penguins are suited for water and land, etc
Answer:
c
Explanation:anitbodies are attached to the body of the pathogens then they r eliminated
