What describes placental mammalian embryos?
A. They are born immediately after fertilization.
B. They develop inside a leathery shell.
C. They complete development in a pouch.
D. They hatch from an internal egg.
E. They are totally dependent on the mother for complete development.
E. They are totally dependent on the mother for complete development.
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Answer the following statement true (T) or false (F)
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Answer the following statement true (T) or false (F)
A ____ is formed as the direct result of cytoplasmic fusion in basidiomycetes and ascomycetes
a. dikaryotic cell b. Zygote c. Gamete d. Spore e. Mushroom
Filtration methods, followed by growth of the bacteria trapped on the filters in growth media, are used to count bacteria present in very low concentrations, such as in lakes and streams
Indicate whether the statement is true or false