Living and non-living things all have interactions with each other. Ecosystems are full of these interactions and is the basis for the
study of ecology.
From the picture, label each object you see as abiotic or biotic.

Barbara is converting 78°f to degrees celsius. first, she subtracts 32 from 78. what is the next step?

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

Anita thinks that she has heterozygous alleles for red hair.if she is correct, which of these diagrams best illustrates anitas alleles pf red hair