The middle primary germ layer is called MESODERM, which gives rise to a gelatinous material called MESENCHYME, which then gives rise to different types of connective tissue such as bone, cartilage, and blood.
Answer:
a and b
Explanation:
This may not be right, but from what i remember it should be when the moon is aligned with the sun then the tide is highest
Answer:
the balance is everything must have a process of living and dying in an ecosystem. such as, an animal killing another animal for prey to eat it, that is a process. in a water ecosystem, fish lay eggs and come out and usually get eaten by a bigger animal, as they grow up, usually by bigger fish itself such as the Grayling.
Explanation:
Explanation:
plants > herbivorous insects > predaceous insects > toads.