How are energy and matter transferred between organisms and their environment?

Which is not true about balanced forces?

Procedure in pregnancy to have access to fetus. what do you call this procedure?

Choose the best definition of allele. a. one of several possible versions of a gene, which each produce a different phenotype b. an organism that's purebred for a given trait c. the process of fertilizing a plant with pollen from another plant d. a set of genes that are located on the same chromosome and so are tightly linked