| Question |
 |
|
| Answer |
|
|
| animals that begin life breathing with gills in water and later develop lungs |
amphibians |
| animals that have a backbone |
vertebrates |
| organism whose body temperature changes with the temperature of the air around it |
cold-blooded |
| characteristics an organism is born with |
inherited traits |
| what an organism must have in order to stay alive |
basic needs |
| features of a living thing |
characteristics |
| a change that makes an organism better able to survive |
adaptation |
| what surround an organism |
environment |
| the natural environment of an organism |
habitat |
| a community of different organisms and their environment |
ecosystem |
| land that has wet, spongy soil such as a swamp |
wetlands |
| land covered with trees and shrubs |
woodlands |
| an animal that hunts and eats other animals |
predator |
| an animal that is hunted by a predator |
prey |
| transfer for energy from one organism to another |
food chain |
| an organism that can make its own food |
producer |
| an organism that eats only plants |
herbivore |
| an organism that eats only animals |
carnivore |
| an organism that eats both plants and animals |
onmivore |
| any living thing |
organism |
| interrelated food chains in an ecosystem |
food web |
| cold-blooded vertebrates that are covered with scales |
reptiles |
| thin flat plates that cover reptiles |
scales |
| an area with very little rainfall |
desert |
| treeless, flat land covered with grasses |
prairie |
| organs in the respiratory system that transfer oxygen to the blood |
lungs |
| respiratory organs that remove dissolved oxygen from water |
gills |
| dies |
perish |
| lives and grows |
thrive |
Buen Viaje lv.2 ch 8
