Infants born blind will not smile or frown because they have never seen anyone exhibit these expressions.
Answer the following statement true (T) or false (F)
False
False. Infants born blind still smile and frown, even though they have never seen these expressions on another face.
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A covalent bond is formed between an anion and a cation.
Answer the following statement true (T) or false (F)
C4 plants divide photosynthesis between two types of cells: the mesophyll and the ________ cells
Fill in the blank(s) with correct word
Populations that experience significant contest competition:a
show small changes in population size over time. b. show great changes in population size over time. c. are particularly susceptible to extinction. d. show little intraspecific competition. e. are characteristic of environments with abundant resources.
Which of the following is a group of parasitic flatworms?
A) leeches B) flukes C) nematodes D) sea anemones E) annelids