Your roommate is having trouble with her biology lab and asks you for help, since you took biology last semester. She says she looked at an organism under a microscope in lab and is supposed to identify the organism based on what she saw
She knows she saw many cells with a nucleus, a cell membrane, and a structure that contained green pigments. (She thought it might have been a chloroplast.) What type of organism did she see?
1.a photosynthetic bacteria
2.a protist (single-celled eukaryote)
3.a plant
4.a prokaryote
3
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a. respiratory b. digestive c. urinary d. reproductive e. cardiovascular
The ____________________ is a blend of cells, fibers, and ground substance found in connective tissues. Fill in the blank(s) with the appropriate word(s)
Antibodies are
A. forms of vaccines B. type of cells that protect the body C. viruses that cause diseases D. foreign substances that stimulate an immune response E. proteins that protect the body
The main function of the hindgut in the grasshopper is to
A) reabsorb water and compact wastes. B) digest food. C) absorb nutrients. D) absorb vitamins and pulverize food.