7. The human growth curve is best described as being

A. flat. B. J-shaped. C. V-shaped. D. S-shaped. E. W-shaped.

What s the largest amount of dna in a plant cell

As a result of the absence of plants in the meadow, the rabbit population will probably

The overall flow of energy through an ecosystem comes from

How is carbondioxide returned to the atmosphere?

In generation 1 one parent is affected by the gene mutation and one parent isn't. In generation 2 all three children are affected by the Gene mutation what can conclude about this gene mutation

Name six kinds of seedless plants

Some forests develop after farmland is abandoned. Grasses may be overtaken by pine trees which are eventually replaced by hardwood trees. During this process, the soil also changes. Which change during this process is a form of chemical weathering?

Which ranks the solutions from the strongest to weakest acid

An astronomer sees bands of different colors from objects in space using this tool

Euglena can be classified as both: A) Autotroph and a parasite B) a decomposer and a heterotroph C) a producer and a parasite D) an autotroph and a heterotroph