Sapwood is functional secondary xylem. Indicate whether the statement is true or false


True

Biology & Microbiology

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Konrad Lorenz taught ducks to behave as though he were their mother by providing the appropriate stimulus during a sensitive period. This form of learning is called

A) classical conditioning. B) fixed action behavior. C) altruism. D) habituation. E) imprinting.

Biology & Microbiology

A developer putting tract housing in a previously pristine area plans numerous small open space areas

where the original habitat is to remain. As a conservationist, how would you suggest changing the plan, if at all? (Canceling the development is not an option.)

What will be an ideal response?

Biology & Microbiology

The dotted areas in the figure below indicate where

__________ reactions will occur to produce __________ and __________. a. condensation; covalent bonds; hydroxyl ions b. electron transfer; covalent bonds; water molecules c. condensation; covalent bonds; water molecules d. cleavage; covalent bonds; hydrogen ions e. condensation; ionic bonds; hydrogen ions

Biology & Microbiology

Major changes in ocean conditions during the early Cambrian period were probably linked most closely to the evolution of __________.

a. cyanobacteria b. algae c. suspension-feeding animals d. large and motile predatory animals e. vertebrates

Biology & Microbiology