Vertebrates are a part of the phylum. chaetognatha chordata entoprocta porifera

Blood, made up of red and white blood cells, work together to form

What type of lipids are found in all biological membranes?

Which would be an adaptation in a rainforest, but not in a tundra? a. ability to store water for a long time b. fur that blends in with snow c. strong claws for killing prey d. a beak that can dig into thick trees