IM TAKING A UNIT TEST PLEASE HELP!
Which best describes fertilization and meiosis in the life cycle of plants?

I. These processes are part of the life cycle.

II. These processes produce gametophytes.

III. Fertilization produces a zygote, and meiosis produces haploid spores.

IV. Fertilization is used only by seedless plants; meiosis is used only by seed plants.

I and III

I and IV

II and III

II and IV

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

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

How do chloroplasts set plants apart from other living things