Some researchers think H. floresiensis is a
more common early human with a genetic or
nutritional disorder. What other early human
was thought of this way when their fossils
were first discovered?
a. H. neanderthalensis
b. H. erectus
c. H. sapiens
d. H. ergaster
e. H. habilis
A
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The following classes or superclasses of fish are matched with an example. Select the mismatched pair.
A. Chondrichthyes—sharks B. Placodermi—lobe-finned fish C. Myxini—hagfish D. Osteichthyes—bony fish
An increase in infant mortality will _____ a population's replacement fertility rate
a. raise c. not affect b. lower
When a neuron is at rest
a. there are more positively charged ions inside the axon than outside it. b. there are more negatively charged ions inside the axon than outside it. c. there are more negatively charged ions outside the axon than inside it. d. there are equal amounts of negatively charged ions outside the axon and inside it. e. there are more positively charged ions outside the axon than inside it.
In a certain population with a mean IQ of 100, the heritability of IQ was measured at 0.6. A chapter of
Mensa in this population has an average IQ of 140. If they are otherwise typical of their population, about how many of their IQ points can be attributed to their genes? A. 60 B. 84 C. 24 D. 100 E. 40