Which statement best describes the distribution of life in the lake? A. Autotrophs, heterotrophs, and decomposers exist equally in all three layers because lakes are not very large.
B. Decomposers exist mainly in Layer 2 because they have access to producers and consumers.
C. Heterotrophs exist only in Layer 3 because they consume larger organisms near the bottom.
D. Autotrophs exist mainly in Layer 1 because most sunlight reaches this level.

Which statement describes the reaction for cellular respiration? the equation is carbon dioxide + water → glucose + oxygen + water and energy is required in the form of light the equation is glucose + oxygen → carbon dioxide + water and energy is produced in the form of atp. the equation is carbon dioxide + water → glucose + oxygen + water and energy is produced in the form of atp. the equation is glucose + exygen carbon dioxide + water and energy is required in the form of light.

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

Agenus is a taxonomic grouping that identifies a collection of species. when a scientist discovers a new species, how is this species assigned to a genus