Answer:
A frog
Explanation:
Frogs cannot make their own food while all of the other 3 can make their own food.
Answer:
A Carbon Dioxide
Explanation:
If CO2 is not availabe photosynthesis will not take place.
Hydrogen, Nitrong and CO(carbon monoxide) are not needed at all for photosynthesis
Answer:
2.) vertebrates have endoskeletons. some examples are...fish, birds, mammals, amphibians, and reptiles
After pollination and fertilization following changes occur in a flower: (i) The petals, stamens, style and stigma of the flower fall off. (ii) Sepals dry up and hold the ovary. (iii) The ovules confined in the ovary develop into seeds.