When we say an animal has an "open circulatory system," this means that: movement of the animal is solely responsible for moving circulatory fluid. a small amount of blood may leak out of vessels. there are no vesselsblood simply fills all spaces inside the coelom. the animal has a single-chambered heart, so blood mixes from all areas. blood flows out of vessels and into spaces or sinuses?

Answer ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

What is the ecological role of food chains and food webs

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different