Answer:
The answer might be D
Explanation:
The answer could be D because birds with larger beaks should be capable of eating soft shell seeds, as well as hard shell seeds. So natural selection would not occur because the finches with large beaks would not die as a result of not eating soft shell seeds. The finches with large beaks should be able to reproduce offspring with the same trait. And so should the finches with small beaks.
Yes -12 is colder than -2
C produce spores is orrect.
Answer: The actual answer is sample B.
Explanation: Igneous Rocks are either known as Intrusive Rocks which are crystallize that form underneath the Earth's Surface, and Extrusive Rocks which are known as volcanic rocks.
Answer:
In the given question, the crucial rivets represent keystone species.
Explanation:
An ecosystem comprises some of the species, which are essential to the survival of the other species in the system, these species are known as the keystone species. The keystone species can be an unassuming plant or a huge predator, and in the absence of a keystone species, the ecosystem may not thrive.
In an ecosystem, the keystone is regarded as one of the most essential parts. A keystone species refers to an organism, which helps in sustaining the system together. Some of the ecosystems may lose their tendency to amend with the changes in the environment if their keystone species get vanished.
There are three kinds of keystone species considered by various scientists. These are ecosystem engineers, predators, and mutualists.