The original three components of the cell theory are that
What will be an ideal response?
(1) All living things are made up of cells, (2) Cells are the smallest units (or most basic building blocks) of life, and (3) All cells come from preexisting cells through the process of cell division.
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_______________ is a human hereditary disease that is caused by a dominant allele but does not show up in affected individuals until they are in middle age.
A. Cystic fibrosis B. Sickle cell anemia C. Tay-Sachs disease D. Huntington's disease E. Hemophilia
Discuss the sexual and asexual reproduction of Rhizopus, the black bread mold. Include the names of the structures
involved. What will be an ideal response?
An animal that kills for food is a
A. predator. B. parasite. C. scavenger. D. All of these answers are true.
If you examine the soil profile revealed by a fresh road cut, which feature will you probably find in the B horizon?
A) an abundance of worms and burrowing insects B) an abundance of decomposing organic material C) an abundance of fine clay but not much organic material D) a predominance of slightly weathered rock and gravel