Answer:
Option A, keystone species
Explanation:
Keystone species are responsible for controlling any species from becoming dominant over all other species. The keystone species are found at the top of all the energy pyramids and food chains.
They control the explosion of population of prey and hence regulate the overall ecological diversity.
Some common example of keystone species is as follows –
Bison, prairie dog, large mammalian predators,
Hence, option A is correct
answer is C- lesson 4 page 11: The Dermal tissue contains the epidermis as well as root hairs.
Explanation:
please upload the pic so that I can figure out
A gene in an egg cell inserts two extra base pairs!!
