What is the term for the outer covering that protects plant cells and provides rigidity?

Which gas is essential for aerobic cellular respiration?

Which part of the digestive system primarily absorbs nutrients into the bloodstream?

What is the term for a group of similar cells performing a specific function?

What is the term for species that have adapted to survive in extremely harsh environments?

Which vitamin deficiency causes the disease scurvy?

Which human body system is responsible for producing hormones?

What is the term for the process by which cells divide to form gametes?

What is the term for the first stage of the water cycle where water changes to vapor?

Which layer of skin contains sweat glands, hair follicles, and blood vessels?

Which type of joint allows the widest range of movement in the human body?