Summarize how C-14 and U-238 can be used to determine fossil ages.

Like plants, some vertebrates reproduce only once before death. true or false

If you were looking at cells with a microscope, how would you know whether they came from a plant or an animal?

Bauxite is considered an ore because

What organs are in the lower back on the left side?

Who is good with biology and learned about DNA?.

Cells divide differentiate or die. What is differentiation

After reviewing the process of meiosis describe how an error during meiosis could lead to polyploidy

What differentiates an autonomic reflex from a somatic reflex? 1. an integration center 2. presence of a sensory receptor 3. a single sensory neuron in the sensory pathway 4. a two-neuron motor pathway

Both fission and fusion occur in nuclei that are unstable due to the relative amount of binding energy per nucleon. 1. true 2. False

The adrenal medulla secretes epinephrine during sympathetic stimulation. Why epinephrine would increase the sympathetic response?