Which of the following is NOT a resource that organisms fight over for survival? Reproduction
Food
Water
Oxygen
Shelter

Plzz hurry im being timed during times of vigorous physical activity, muscles require a constant supply of oxygen. how does the body respond to these needs? a. breathing rate and heart rate both decrease. b. breathing rate and heart rate both increase. c. heart rate decreases, but breathing rate remains stable. d. breathing rate increases, but heart rate remains stable.

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

Most enzyme names end in the