The small intestine is the pathway for chyme. What else does it do? A. mixes food with gastric juices using layers of muscle
B. absorbs water, salt, and minerals using villi
C. produces vitamins and feces
D. produces digestible-sized food for the stomach

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.

In two sentences explain the differences of neutrophil and macrophage