Which characteristic would exclude an animal from being an amphibian? they have lungs. they have a cartilaginous skeleton. they are ectothermic. they have a three-chambered heart. they have vertebrae?

What substances make up carbohydrates what characteristics do carbohydrates have?

Read the scenario and answer the following questions: a. how could the scenario have been prevented? b.

Many genes are involved in coat color and coat patterns in cats. The autosomal Dominant white (Wd) allele results in pure-white coat cats while the recessive allele (w) results in colored coat cats.

A student discovers a mutation in the binding pocket of an enzyme that changes an alanine to a lysine. the mutant enzyme is much more efficient than the wild type. this suggests that the substrate is: a. positively charged b. negatively charged c.

What type of mutation is likely to cause the most dramatic phenotypic change?

Which of the following lists the terms from simplest to most complex? organs, organ system, organism, cells, tissues tissues, organs, organ systems, organism, cells organ systems, tissues, cells, organism, organs cells, tissues, organs, organ

Forensic odontologists might be involved in which of the following circumstances? A femur bone is found in a field. A victim has a bite on his arm. A profile of a suspect is needed. Beetles are collected from a decomposed body.

Why does hurricane season occur from late spring through fall in the Atlantic region? A. Hurricanes need warm oceans waters to form B. hurricanes need the high air temperatures to form to form. C.

Earth's most recent era is the

During what process is water produced