The earliest forms would be plants and other life like that, and current day would be mostly humans and animals and a lot of plants are disappearing
Answer:
A walrus stays warm in the cold ocean or penguins can stay warm in cold arctic waters.
Answer:
TRUE
Explanation:The all-or-none law is a principle that states that the strength of a response of a nerve cell or muscle fiber is not dependent upon the strength of the stimulus. ... Essentially, there will either be a full response or there will be no response at all for an individual neuron or muscle fiber.
Answer: It's B
Explanation: :) I hope this helps