Compare/contrast

 food webs vs. food chains

 energy vs. biomass pyramids vs. pyramid of numbers

Smooth muscle contractions are responsible for pushing a baby out of its mother's uterus during childbirth true or false?

How are new molecules of dna are synthesized by copying the genetic sequence of another molecule of dna, which we call the template, so that __?

Many plant hormones show opposite effects. For example, the hormone present in the meristematic tissues of the shoots inhibits branching, whereas this effect is nullified by the hormones produced by roots.

The curving of plants toward light is an example of: Which of these is not a recognized class of plant hormone? nyctinasty geotropism seismonasty phototropism

what is the root of a word

What is a likely consequence of continued human population growth?

Why is an organisms role important for its community?

Briefly describe what is meant by the semiconservative nature ofDNA replication?

Why do sex-linked traits follow different patterns of inheritance than other traits? Apex

Some animals, like birds, reproduce by fusion of cells. Before a bird hatches, what protects the bird as it develops?