ivanas science teste
Terms
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- An animal whose body temperature changes depending on the environment
-
Ectotherm
- The major three groups of fish are distinguished from one another based one what characteristic?
- By the kind of skeleton they have.
- What happens to an object when its buoyancy is less than its weight?
- It sinks.
- What does the word "amphibian" mean?
-
Double-life
- How many chambers are there in an amphibian heart?
- three
- Snakes have only one what?
- Lung
- What groups of animals evolved from reptiles?
- Birds and Mammals
- What is one thing sharks cant do?
- Stay still
- What are the small bones that line up in a row?
- vertebrate
- What are the skeletons of hagfish and lamprey made of?
- Cartilage
- What is the structure called that helps bony fish stabilize its body at different depths
- Swim Bladder
- What are the upper chambers of an amphibian heart called?
- Atria
- Which reptile is covered with a protective shell?
- turtle
- What type of fertilization is used by most fish?
- External Fertilization
- What are the hardened remains of a living thing that existed long ago?
- Fossil
- During metamorphosis, salamander lose what?
- Their Gills
- What does the yolk do in an egg
- Provides food
- What kind of rocks do fossils frequently appear in?
- sedimentary rocks
- Chordates sometimes dont have what is it?
-
spinal column