A biologist places a single, living sponge in a saltwater tank. After several weeks, the biologist observes other small sponges living in the tank. Because the biologist is certain that no other sponge was introduced into the tank, what other explanation could you provide to explain the observation?
Describe the body of a leech. In what way do the leech’s adaptations make it suited for its niche?
When natural disasters strike natural areas, often the only animals to survive are the insects. Explain why this might happen.
PS, this is not my homework or anything, I need to study for a test i have in class tomorrow. So can someone plz help me? these are the only ones i cant figure out! D: