A lab is performed to study the effect of pH and heat on the function of the catalase enzyme found in carrot plants. What is the dependent variable (s) in this lab? Select all that apply.

a. pH

b. temperature

c. enzyme activity

d. water

What is an ecosystem with an evenness of species numbers considered to be?

If you rejected your null hypothesis, what might be some explanations for your outcome?

What do you predict would best aid in the recovery of offshore, environmentally deteriorated seagrass communities? A. Aquaculture development B. Coastal development regulations C. Fishing regulations D. Sea turtle population recovery

A poison that breaks down capillary tight junctions, allowing blood proteins to leak into the interstitial fluid, will cause what change in the net filtration pressure?

What microscope was used to observe the first strands of dna

One of the first breakthroughs in biotechnology was the discovery of the gene that makes insulin. Part of this process involved scientists making DNA to match each possible sequence of insulin mRNA. What was the next step of this process? A.

If mollusks evolved before arthropods, where will their fossils be found?

Over time, a river cut through a field where some mice lived and some birds were nesting. Tell over time why the mice developed into 2 different species, but the birds did not

Using radioactively labeled dna probes in studies of heredity makes it possible for a scientist to

During the first four days after conception, the zygote undergoes rapid cell divisions and becomes multicellular. What is this cell division called?