Sunlight is the original source of almost all energy in most ecosystem.
Answer:
astronomical unit (AU) and light years
Explanation:
Answer:
A. True
B. False
C. True
D. idk sorry
E. False, They Have Both Female and Male Sexual organs
Answer:
The gastrovascular cavity is a structure found in primitive animal phyla. It is responsible for both the digestion of food and the transport of nutrients throughout the body. The cavity has only one opening to the environment. Food goes in and waste comes out that same opening, making it a two-way digestive tract
Explanation:
