Biodiversity is valuable partly because it
a. gives us interesting things to look at.
b. tells us about many other species.
c. contributes to medicine and agriculture.
d. provides humans with resistance to disease

a lot of people sadly don't know the best way to learn is cheating off of your friends or this amazing thing called google

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

they have identical fossils of organisms that have evolved over time.

both have animal fossils preserved in them due to weathering and erosion.

they contain different fossils because life on earth has changed through time.

the fossils in them were formed on the surface of earth due to exposure to sunlight.