Answer:
older, older
Explanation:
Fossils deeper in the ground are older.
Is the letter D because your having half of their DNA. That's why your mother is contributing the Y chromosome and your father is contributing the X chromosome
Answer:
It helps prevent invasive species from coming in.
Explanation:
Invasive species ruin habitats because they have no natural predators, so they grow and mooch off of native species which kills them off.
Answer:
1. Stratus
2. Cirrus
3. Cumulus
4. Both Cumulus and Cirrus
Explanation:
Answer:
<em>Competition without division of resources may lead to extinction.</em>
Explanation:
Some species are better adapted to live in an environment as compared to other species. If resources become scarce then the species with better traits might take up all the resources of a species which are not better adapted. This will cause the species with unfavourable traits to become extinct. To survive in an environment, an organism needs to change and adapt according to the conditions of the environment. Otherwise, the species will become extinct.