Decomposers are necessary in a food chain
because they
(1) manufacture food by photosynthesis
(2) return nutrients to the ecosystem
(3) absorb energy from the sun
(4) produce organic nutrients

Idont understand by supporting the plant and holding the leaves up to the light. question 3 options: tap or fibrous root flower petals herbaceous or wood stems leaves with stomata

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

The chromosomal structure that limits the number of cell divisions of a cell is the the chromosomal structure that limits the number of cell divisions of a cell is the kinetochore telomere histones centromere