Which statement concerning types of plant growth substance is true? Gibberellins are involved in cold hardening

Auxins inhibit growth and seed germination

Cytokinins are useful in plant tissue culture

Ethene stimulates cell elongation in stems

The number of living organisms in a particular area is

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms