Explica el mecanismo de acción de una hormona y el medio de transporte que utiliza para acceder a los órganos/células diana.

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

What is the ecological role of food chains and food webs

Differentiate renewable and nonrenewable resources