Ferns differ from flatworms and humans in that they

Which of these is an example of land degradation A. Poor agricultural methods kill off plants, leaving bare land B. Fertilizers provide too many nutrients to crops C. Garbage is buried so the land can be reclaimed later D.

What event at letter B leads to elongation of the bone? Ossification of the epiphysis of a long bone. What event at letter B leads to elongation of the bone?

How did the environment of the Maya affect their culture?

Darwin believed that because of "differential reproductive success" a population would change over time. select one: a. True b. False

Which event takes place during anaphase II of meiosis II? a. Sister chromatids separate. b. Cytoplasm divides. c. Spindle fibers disassemble. d. Nuclear membrane breaks down.

Sympathetic neurons exit the ventral root of the spinal nerve and synapse with which of the following? a. neuromuscular junction b. sensory motor neuron c. neuron in chain ganglion d. motor neuron

What is the chemical in leaves that absorbs light?

If a DNA double helix strand contains 3.6 billion based total, and there are 0.8 billion adenine bases contained in that strand, how many cytosine bases are there?

Compare/contrast under nutrition to malnutrition

Explain how having nerve cells clustered around the edge of its bell is advantageous to a medusa