How are eras and periods of the geologic time scale named?

What gas is made and released during Cellular respiration? What step does this happen in? A) CO2, Krebs Cycle B) O2, Calvin Cycle C) O2, Krebs Cycle D) CO2, Calvin Cycle

Which of the following is an example of an ecosystem? A) zebras and lions that pray on them B) coral reef with all the fishes and invertebrates living in and around it C) flowering plants and all the birds and insects that pollinate them D) male

You observe that the frequency of the AB haplotype at the A and B loci is 0.558 in a population. You also observe that the frequency of the A allele at the A locus is 0.887 while the frequency of the B allele is 0.396.

Which statement about the resting potential of a neuron is true? Na ions are in balance inside and outside the neuron's membrane. There are many times more Na + ions outside the neuron's membrane than inside.

A motor neuron and all of the skeletal muscle cells it stimulates is called a

Gene is to chromosome as

Considering that the creation of the Golden Record was an effort to send a snapshot of humanity into space, what would you send out into space to represent humanity today? Explain why you selected your item.

What stage of cellular respiration produces the most ATP? A Electron transport chain B Glycolysis C Krebs cycle D Fermentation

Many insects, such as fire ants, inject a weak acid called formic acid when they bite or sting. what type of compound should be used to treat the bite?

Which is a secondary disturbance? O A. Forest fire B. Volcanic eruption O C. Snow melting O D. Tree falling