Segmentation is important in annelids as an aid in:
a. reproduction.
b. locomotion.
c. respiration.
d. sensation.
e. eating.
b
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How many different types of chemoreceptors can be found in the taste buds?
A. hundreds B. thousands C. 40-50 D. five
As levels of body fat increase, leptin levels __________ and appetite is __________
a. increase; suppressed b. increase; stimulated c. decrease; stimulated d. decrease; suppressed
Some members of the Archaea domain are often referred to as extremophiles because many live in conditions of extreme
A. temperature. B. salinity. C. heat. D. acidity. E. All of the answer choices are correct.
Which layer of cells controls the movement of nutrient minerals entering the xylem in the root's interior?
a. endodermis b. Casparian strip c. epidermis d. cortex e. periderm