Three different freshwater ecosystems are
-Lotic
-Lentic
-Wetlands
I don’t know the second question...
This is the called The Troposphere.
<em>Hope this helped! :)</em>
Answer:B, an introduced species is not necessarily harmful to the environment, an invasive species has a negative effect
Explanation:
Answer:
option B: one species decreases the probability that a second species will become established
Explanation:
Inhibition as a mechanism of succession occurs when some early species which could also include pioneer species make the site less suitable for the development of other species and do not allow them to become established and grow. When eventually these early species die, other species that were hindered will subsequently grow and become established gradually giving rise to a climax community.
The branching point on a cladogram represents a common ancestor. A cladogram is a diagram used in cladistics to show relations among organisms. However it is not an evolutionary tree since it does not show how ancestors are related to descendants, nor does it show how much they have changed.