q:
a:
according to the dichotomous key, in what way(s) is the house sparrow similar to the cobra?
a) both are autotrophic and live on land.
b) both are not a mammal and are autotrophic.
c) both live on the land, are unicellular, and are not trees.
d) both are not a mammal, are multicellular, and are heterotrophic

D: Both are not a mammal, are multicellular, and are heterotrophic

the answer is d  the sparrow is a bird and the cobra is a snake.  They both lay eggs.

hi~~

i would say that hybridization occurs frequently in nature, because there are many types of hybrids that have occurred naturally, such as the mule (male donkey + female horse)