According to the complete replacement model, the transition from premodern to modern homo sapiens occurred in several regions of the old world simultaneously.

a. True

b. False

How does ingestive protists obtain food

What part of the brain controls breathing and heart rate? A. Thalamus B. Brain stem C. Hypothalamus O D. Midbrain

As ocean waves approach the shore, the top of the wave curls over and crashes into the sand. This wave with a curled top is called a plunging A) breaker. B) compression. C) trough. D) wavelength

reproduction allows for species to evolve or adapt to a greater range of conditions.

Prokaryotes that belong to the kingdom Eubacteria and carry out photosynthesis are called

Which of the following is correctly paired with its function? a) sensory somatic nervous system-controls skeletal muscles b) autonomic nervous system - creates voluntary response to stimuli c) parasympathetic nervous system - controls body response

Which of the following would be true of a plant heterozygous for a single gene controlling flower color? (Assume complete dominance).

How do the population in an ecosystem depend on each other

Which statement describes the formation of our sun? A disk formed of long trails of stars coiled into a spiral. It formed an elliptical flattened disk. Heat and gases contracted within a nebula. Gravity pushed stars away from a center core.

Identify which questions can be answered through science and which cannot.