Hello humans I need help. Which conclusion is best supported by the diagram?

1) Trilobites and gastropods are the youngest fossils.
2) Crinoids and gastropods have lived during the same time period.
3) Ferns have existed for a longer period of time than coral.
4) Every ammonite fossil is older than the gastropod fossils.

What is a cordon and where is it found

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.

The ultimate purpose of respiration: a. inhale 02 and exhale co2 b. place oxygen in the lungs c. place oxygen in the blood d. deliver oxygen to every blood cell