Which of the following are considered molecules select all that apply

[] nitrogen

[] lipids

[] proteins

[] carbon

Which of the following characterizes the exoskeleton in arthropods? a. It is soft and flexible. c. It covers less than 50% of the body. b. It is composed of chitin. d. It provides protection from dehydration.

The purpose of using stain on a slide is

What are the deepest receptors in the skin for?

Describe, in complete sentences, the relationship between the predator and prey populations in the activity. How does a change in each population affect the other?

Which kind or organism is a heterotroph

Which of the following best defines gene flow?

A mutation in which of the following would result in offspring with a phenotype different from the parents? A. skin cell B. nerve cell C. egg cell D. heart cell

When a system is behaving erratically, a graph of data measured from the system

You have blue eyes while your best friend has brown eyes what do we call that characteristic that distinguishes you from another? A. Allele B. traits C. homozygous D. dominant

Where does messenger rna travel to