Classify each of the following as an autotroph or a hetoratroph a.) earthworm b.) snail c.) fungus/ mushroom ( quick ) it is actually science but there is not a science option so i will make it biology

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

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.

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the