| Question |
Answer |
| A special trait that helps an organism survive is a(n) _______________________. | adaptation |
| A cold-blooded vertebrate that spends part of its life in water and part of its life on land is a(n) _____________.* | amphibian |
| A plant or animal is at risk for extinction is ______________________.* | endangered |
| Warm-blooded vertebrates with hair or fur; female mammals produce milk to feed their young are called _____________.* | mammals |
| Cold-blooded vertebrates that live on land and has a backbone, an endoskeleton, and waterproof skin with scales or plates are _________.* | reptiles |
| A plant or animal that is in danger of becoming endangered if nothing is done to help it is said to be _______________________.* | threatened |
| Species that are not in any danger of dying out and there are many of them are said to be ________________.* | thriving |
| Adaptations usually occur because a gene _______. | mutates |
| The normal environment in which an organism lives is a(n) _________________. | habitat |
Cardio Block2anatomy
