Answer:
Cell Wall: This is the rigid outermost layer of a plant cell. It makes the cell stiff -providing the cell with mechanical support - and giving it protection. Animal cells do not have cell walls. Cell Membrane: This is a protective layer that surrounds every cell and separates it from its external environment.
Answer:
after nutrients are absorbed during digestion,the excretory system removes faeces through the rectum. these work together to maintain oxygen homeostasis.
The answer to this item is FALSE as binary fission or division of cell by two would only occur to prokaryotes or some single - celled eukaryotes. This is a process to which after replicating the genetic materials, there exist two daughter cells which are almost the same in size.
Natural selection states that the most advantageous trait in a species will become more common in the population, and can even replace other non useful trait over time. That is evolution by natural selection. In the case of anteaters, these animals became better adapted to the environment by growing a longer snout to have better access to food (ants).
