A single cell is created after fertilization of the egg by a sperm. This is known as a(n)
a. gamete.
b. gonad.
c. embryo.
d. zygote.
d. zygote.
Psychology
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Meika explores her environment by crawling to a new toy and putting it in her mouth. Which stage of Piaget's cognitive development model is she demonstrating?
a. Concrete operational b. Sensorimotor c. Preoperational d. Formal operational
Psychology
DMT, a short-acting hallucinogen that is usually ineffective when taken orally, is found in
A. Jimson weed. B. Mexican mushrooms. C. mescal beans. D. Cohoba snuff.
Psychology