Organisms have gradually adapted certain structures that help them succeed in their environments. What internal structure have birds developed that helps them successfully fulfill their niche? oil glands for flight endurance
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hollow bones to reduce mass for flight
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pointed beaks to increase chances of attracting a mate
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webbed feet for landing on tree limb

explanation:

1 rosales   order

2 eurarya   domain

3 rosaceae   family

4 cania - genus

5 plantae - kingdom

6 magnoliopsida - class

7 rosa - species

8 magnoliophyta - phylum

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

answer'(basidium)the spore--bearing structure of a basidiomycete is called a basidiocarp; ///