The placenta, which sustains the developing embryo and fetus, originates only from maternal tissue.
Answer the following statement true (T) or false (F)
False
The placenta originates from both maternal and fetal tissue.
Biology & Microbiology
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Which group's members have both lungs and gills during their adult lives?
A) sharks, skates, and rays B) lungfishes C) lancelets D) turtles E) alligators
Biology & Microbiology
What is the number of chromosomes found in
an oak tree?
a. 2 b. 4 c. 8 d. 12 e. 24
Biology & Microbiology
The biome with the greatest amount of topsoil and
the richest, most fertile soil is the a. tundra. b. taiga. c. tropical rain forest. d. desert. e. grassland.
Biology & Microbiology
Cocci which divide in the same plane and remain attached are streptococci.
Answer the following statement true (T) or false (F)
Biology & Microbiology