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TEKS 10A: Describe the interactions that occur among systems that perform the functions of regulation, nutrient
absorption, reproduction, and defense from injury or illness in animals.
How do systems interact to
perform nutrient absorption in
• Animals obtain nutrients and energy from food. The different
ways that animals obtain food depends on what they eat and
their adaptations for getting food.
• Many carnivores (animal-eaters) have specialized mouth parts
to hunt, grab, tear, and slice food.
• Herbivores (plant-eaters) typically have mouth parts adapted
for rasping, grinding, chewing, or sucking.