Answer:
Productivity is refers to the rate of generation of biomass in an ecosystem. The difference between net and gross productivity is that gross productivity is is the overall rate of energy capture while net productivity is is lower, adjusted for energy used by organisms in respiration/metabolism.
Explanation:
Answer: the beaks of the finches are adapted to the way the bird usually gets food. :) good luck!
Answer:mammals,fish, bacteria
Answer:
The main idea in a given piece of reading is implied by the introductory paragraph, and, or several meaning sentences that are in subsequent paragraphs.
Explanation:
The main ideas in the a given piece of work, specifically reading is contained in the first paragraph of the piece of writing. The first paragraph can be used to imply the main ideas in a topic without necessarily revealing it. The first concepts, terms, illusion and characters mentioned, certainly we can deduce the main idea.
Several sentences in paragraphs that carry almost similar, related and interrelated facts, in most cases are very essential in explaining the main idea. By looking at them in various paragraphs, one is able to find the sole message being communicated.
c) makes them immune to all diseases
This is the choice you are looking for because is ISN'T a way that adaptation helps the organism survive life. If it is immune to all diseases, that organism would probably die because of all the diseases that it is immune to.
The other choices have adaptations that will help the organism survive.
Hope I helped.