The correct answers is Eocene. Scientists infer that the earliest grasses on Earth first appeared during the Eocene epoch, a part of the Tertiary period. Along with the growth of grasses are herbivores that thrive and some mammals like camels, horses, and rodents.
The moment it is exposed into the environment
Answer:
Explanation:
A habitat (which is Latin for "it inhabits") is an ecological or environmental area that is inhabited by a particular species of animal, plant or other type of organism. ... Human habitat is the environment in which human beings exist and interact. For example, a house is a human habitat, where human beings sleep and eat.
I think it might be the first one: hiv infections. (hope this helps!)
Answer: The correct answer is option C
FACILITATED DIFFUSION.
Explanation: FACILITATED DIFFUSION is a form of passive transport,it is the process by which substances(molecules) move from a region of higher concentration to a region if lower concentration along their concentration gradient through the help of a membrane transporter forming a pore or channel(Protein).
Facilitated diffusion dies not require high energy to occur since a concentration gradient is involved.
