Being a heterotroph means ________
A) making your own food from the sun
B) making your own food from oxygen
C) obtaining your food by eating other organisms
D) obtaining your food by photosynthesis
C
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Diatoms belong to the group ____
a. Bacillariophyta b. Phaeophyta c. Chrysophyta d. Rhodophyta e. Chlorophyta
What would you predict would happen in an area of the body where blood was relatively acidic (low
pH)?
a. O2 would bind more readily to hemoglobin. b. CO2 would bind more readily to hemoglobin. c. O2 would release from hemoglobin. d. CO2 would release from hemoglobin. e. binding of O2 by hemoglobin would cease.
In the process of organismic respiration:a
oxygen is extracted from the environment by the organism and delivered to its cells. b. the citric acid cycle takes place in the cells. c. carbohydrates are broken down and electrons are transferred to oxygen. d. there is an accumulation of lactic acid in the tissues due to the absence of oxygen. e. carbon dioxide is produced in the Krebs cycle.
Which feature is an evolutionary novelty of hexapods?
A. Antennae B. Mandibles C. Wings D. Jointed appendages E. Chitinous exoskeletons