Answer:
The correct answer is a. resource partitioning
Explanation:
Resource partitioning is a strategy that species employ to avoid competition. It is based on the selection of different nutrition sources by different organisms that coexist in the same ecological niche, so there is no conflict between them. In the present case, each one of the eight species of woodpeckers feed on different trees, it means that each one select a different tree´s species or, if they select the same species, they use trees of different diameters.
The correct answer should be A. spores
Ferns don't have seeds and they reproduce using spores. Cones have seeds in them and seeds fall out. Pollen enters a flower and then the flower becomes a fruit. This is sexual reproduction of plants. Since ferns don't have this, they have to reproduce with spores.
In an open system such as a campfire, matter can <span>lose particles, gain particles or exchange particles.</span>
I believe the correct term to fill in the blank would be stretch. Any material that would experience some tensional stress would cause a change in the length of the material or it stretches. Hope this answers the question. Have a nice day.
