They are eukaryotic, which means they have a nucleus.
Most have mitochondria.
They can be parasites.
They all prefer aquatic or moist environments.
This question isn't very specified but i'm pretty sure by the context the answer is gonna be tree frogs.
Answer:
there are 5 breeding pairs
Explanation:
Flatworms have no need for circulatory and respiratory systems because they are able to actively diffuse oxygen through their skin and their body layout is such that they do not need to transport oxygen in order for it to get to their cells.
Biotic factors: living or once-living
Abiotic factors: non living
I dont know the what the populations are (not enough information to answer)
Niche: a niche is a term describing the relational position of a species or population in an ecosystem. ... The abiotic or physical environment is also part of the niche because it influences how populations affect, and are affected by, resources and enemies.
