Answer:
Habitat destruction and degradation, illegal shooting, and the contamination of its food source, largely as a consequence of DDT, decimated the eagle population.
D. A duck flies to another pond.
The above sentence is an example of emigration. Emigration refers to moving from one area to another for a long or permanent period. In this instance, a duck is leaving the pond it originally resided in (along a population other ducks) in order to reside in another pond. Therefore, it can be said that the duck "emigrated".
Answer:
it increases oxygen levels and decrease carbon dioxide levels
<span>Serous Membrane
This is a thin film that lines the interior body depressions and organs, for example, the heart, lungs, and stomach cavity. The thin film is comprised of mesothelium tissue which starts from the mesoderm. The serous film takes into consideration frictionless motion in various indispensable organs.</span>
Answer:
Early land animals had both lungs AND gills, and their bodies consisted of few hard parts. Meaning they lacked things like an exoskeleton for instance. Animals today have either lungs OR gills and many have protecting hard parts of their bodies.
Explanation: