This feathered dinosaur is not considered an index fossil because it existed too long ago, and Index fossil are organic remains of animals and plants found in the strata of sedimentary rocks, and serve to date their ages. This is done through the so-called index fossils, so called because they only existed in a certain era or geological period.
The cell wall is strong an the cell membrane isn't
Answer:
The topmost zone near the shore of a lake or pond is the littoral zone. The near-surface open water surrounded by the littoral zone is the limnetic zone. The limnetic zone is well-lighted (like the littoral zone) and is dominated by plankton, both phytoplankton and zooplankton.
Explanation:
Answer:
The correct option is <u>E. Bring in some elephants of reproductive age from other populations within southern Africa</u>
Explanation:
Inbreeding depression can be described as a phenomenon in which the fitness of a particular kind of species is reduced due to inbreeding of the organisms.
As the Addo National Park contains only a few elephants, hence there are only a few chances of diversification in their breeding patterns. If other elephants are brought into the Park, then there will be more options for breeding and breaking the inbreeding depression.
