Answer: 4; tt
Explanation: The two lowercase letters indicate that there are two recessive genes. If there is one uppercase letter and one lowercase letter, that would mean that it is heterozygous (as there is one dominant and one recessive gene).
Semipermeable means the cell membrane can pick and choose what goes out of it and into it. At least, that's what I believe it is.
How do the skeletal and muscular systems work together to maintain homeostasis? Blood cells are created in the bone marrow inside of the bones of the skeletal system. Blood vessels contained within carry nutrients to the bone. ... Muscles engage in shivering in order to increase body temperature when needed.
Bio tic Factors. An ecosystem is a community of organisms that interact with each other and with the and biotic factors in their environment. Abiotic factors are chemical and physical factors such as temperature, soil composition, and climate, along with the amount of sunlight, salinity, and pH.
i hope this helps you out if that didnt helpo you im very sorry i tried my best
have a great afternoon
FaithRawlins14
