The earliest style of stone tools, dating as far back as 2.6 million years, is called ________
Fill in the blank(s) with correct word
Oldowan
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Plasmodium falciparum is a protistan parasite, borne by mosquitoes, that constitutes a serious health problem for humans. The disease it causes is:
A. diabetes B. malaria C. yellow fever D. dengue fever E. Lyme disease
Soon after amniotic vertebrates appeared, two different evolutionary lineages began to diverge. They are:
a. the mammals and the reptiles. b. the mammals and the birds. c. the reptiles and the birds. d. the amphibians and the reptiles. e. the crocodiles and the birds.
Heterotrophic eukaryotes that digest their food externally and absorb the small molecules are referred to as
A) bacteria. B) fungi. C) plants. D) multicellular algae.
oogenesis in females produces _________
Fill in the blank(s) with the appropriate word(s).