Here is a food chain in a meadow. use this food chain to answer this question. which is the herbivore in this food chain? a. corn snake b. field mouse c. grass d. hawk

Which of the following sex and generation combinations directly produces the pollen tube of angiosperms? a) male gametophyteb) female gametophytec) male sporophyted) female sporophyte

What is the next step in muscle contraction after the actin changes shape? (apex)

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.