Which kingdom is known to contain organisms that have cells with no cell walls? a) animalia b) protista c) archaebacteria d) eubacteria

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement

This connective tissue consists of large round densely packed cells with the nucleus pushed to one side.