How do multi-cellular organisms develop?

A.

Cell differentiation - start from a single cell and as the cells divide they become specialized

B.

They all start as skin cells

C.

Organisms have the same number of cells all the time.

1. An example of an organism that has an incomplete digestive system is a. a sea star. b. a sponge. c. a spider. d. a sand dollar.

What dose glucose, starch and cellulose all have in common

Which organelle should be listed under "both" in the diagram plants and animals? A. Centriule B. Mitochondrion C. Chloroplast D. Cell wall

Which of the following provides the best example of how comparative embryology supports the theory of evolution

What is the difference between translocation and addition?

One premise of natural selection is that in a population, more offspring are produced than the environment can support. O True O False

Dr. Orozco is discussing treatment options with her patient, and she recommends deep brain stimulation to reduce the patient's symptoms. The patient most likely suffers from Alzheimer's disease. Strokes. Parkinson's disease. Lupus.

Which Of the following can be considered the opposite of weathering

In a cross between two heterozygous individuals (eg. Rr X Rr), the expected phenotypic ratio of the offspring would be

Psychologists with a ph. d. or psy. d. who specialize in the practice of psychotherapy are typically a. clinical psychologists. b. psychiatrists. c. psychoanalysts. d. psychopharmacologists.