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Questions in biology

[Terjawab] Which of the following represents the correct order in which early humans appeared? A. Homo erectus, Homo habilis, Homo sapiens, Australopithecine B. Homo habilis, Australopithecine, Homo erectus, Homo sapiens C. Australopithecine, Homo habilis, Homo erectus, Homo sapiens D. Australopithecine, Homo erectus, Homo habilis, Homo sapiens

[Terjawab] What makes up a code for each amino acid?

[Terjawab] What are the complementary mRNA and tRNA sequences for this sequence of DNA bases: CGA?

[Terjawab] What is the difference between interspecific and intraspecific competition?

[Terjawab] What is the ratio of heterozygous offspring to total offspring in the Punnett square?

[Terjawab] How does matter move through the biosphere, and how does energy move through the biosphere?

[Terjawab] What are the four bases that make up the rungs of the DNA ladder?

[Terjawab] How do giraffes respond to stimuli, are made of cells, reproduce, obtain energy, and grow and develop?

[Terjawab] Convection currents in the Earth’s crust cause volcanoes. True or False

[Terjawab] What happens before mitosis occurs? A. The cell undergoes meiosis. B. Cytoplasm from the parent cell becomes two daughter cells. C. The cell grows and makes a copy of its genetic material. D. The cell membrane disintegrates.