Which group of plants are the most recent to evolve?
a. mosses
b. hornworts
c. liverworts
d. angiosperms
e. gymnosperms
d
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The organ system that produces and releases eggs and sperm.
A) Muscular
G) Respiratory
B) Reproductive
H) Skeletal
C) Digestive
I) Nervous
D) Cardiovascular
J) Endocrine
E) Integumentary
K) Lymphatic
F) Urinary
Ciliate sexual reproduction by conjugation differs from sexual reproduction in most animals in that
A. both parents are converted into zygotes. B. the zygotic nucleus is diploid. C. cell fusion occurs during fertilization. D. meiosis occurs in both partners.
Which of the following statements is false?
a. Individuals are injected with antibodies to produce passive immunity. b. A genetically engineered virus is not as potentially dangerous as a weakened but intact pathogen. c. Allergies occur when the body makes a strong immune response to a normally harmless substance. d. Allergies are a nuisance but are never dangerous or life threatening. e. An allergic response includes the secretion of mucus, prostaglandins, and histamines.
What number is the Fimbriae?
What will be an ideal response?