Mollusks and arthropods have closed circulatory systems.
Answer the following statement true (T) or false (F)
False
Mollusks and arthropods have open circulatory systems.
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Other than replication, transcription, and DNA repair, what other activities of the cell are affected by supercoiling?
What will be an ideal response?
The genetic makeup of an organism refers to its ________, and the physical appearance of an organism refers to its ________.
a. gender; sex b. phenotype; genotype c. genotype; phenotype d. ectoplasm; endoplasm
What characteristic is common to all living things?
a. All living things eat. b. All living things are producers. c. All living things sense and respond to change. d. All living things have a nucleus. e. All living things are consumers.
Immigration and __________ permanently affect population size, but __________ does not. Fill in the blank(s) with the appropriate word(s)