Convex lenses can correct ________, also called farsightedness
Fill in the blank(s) with correct word
hyperopia
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Choose the true statements about the cichlid fish of Lake Malawi.
_____ Within a few million years, hundreds of cichlid species evolved within this lake. _____ Hundreds of different genes determine the length of the jaw in these fish. _____ Jaw length does not affect body shape and size. _____ Variation in jaw structure among species allowed cichlids to specialize in many niches.
Genes that code for transcription factors that bind regulatory sites on DNA are called
a. ideotic genes b. homeobox c. Hox genes d. homeotic genes e. homeodomains
Four of the four answers listed below are types
of complex plant tissue. Select the EXCEPTION.
a. sclerenchyma b. phloem c. xylem d. epidermis e. periderm
Mousterian tools were made by which species?
a. H. habilis
b. H. ergaster c. H. sapiens d. H antecessor e. H. neanderthalensis