Angiosperms are more advanced than gymnosperms

because gymnosperms lack which structure found in
angiosperms?
a. independent sporophyte
b. pollen grains
c. flowers
d. spores
e. seeds


Answer: c

Biology & Microbiology

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In higher animals, including humans, meiosis results in the production of

(a) egg cells (ova). (b) gametes. (c) sperm cells. (d) all of the above.

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What is the main reason that duck-billed platypuses are classified as mammals rather than birds? Consider that they possess a bill, as do birds, and lay eggs rather than give birth to live young like other mammals

What will be an ideal response?

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The most recent level of evolution in primates is considered to be in ____

a. brain expansion b. behavior and culture c. dentition d. hand grip e. daytime vision

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Which of the following is an example of a cohort study?

A) Compare lifetime exposure to coal plant emissions between individuals with lung cancer and individuals without lung cancer in the general population. B) Measure lifetime exposure to coal plant emissions and the incidence of lung cancer in a group of individuals living in a small town. C) Question all people in an area about their exposure to coal plant emissions and whether they have any lung diseases. D) Examine the incidence of lung disease in all females over the age of 50 in a city by a coal plant.

Biology & Microbiology