Which of the following is NOT a fruit that has been significantly altered by humans through artificial selection?
A. acorns
B. maize
C. rice
D. wheat
E. gourds
A. acorns
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In an example of embryonic induction, signals from cells in the ________ cause gastrulation
a. dorsal lip b. ectoderm c. gray crescent d. endoderm
While pruning your rosebushes, you spend a few moments observing a honeybee hovering nearby. After it lands, however, you are able to discern that it only has two wings instead of four, and it lacks the distinct elbowed antennae of a bee – it’s a drone fly! What type of mimicry has this fly used to deceive you?
a. Emsleyan/Mertensian b. Müllerian c. Batesian d. aposematic
In comparing mitosis and meiosis, which of the following statements is true?
a. Meiosis I is more like mitosis than is meiosis II. b. Both processes result in four cells. c. Synapsis occurs in both. d. Chromatids are present only in mitosis. e. Meiosis II resembles mitosis.
Junction between cells in which the adjacent plasma membranes do not touch but are held together by intercellular filaments attached to buttonlike thickenings.
What will be an ideal response?