Vertebrates Test

Which type of vertabrae’s body temperature changes with the temperature of the environment?

cold blooded

How many chambers does a fish heart have?

two

Is a salamander a reptile?

NO

What uses gills all their lfe to obtain oxygen from the water?

fish

Which animals have moist skin with no scales and live part of their life in water?

amphibians

Fertilization that occurs when a sperm unites with an egg outside the female’s body is called:

external

A sense organ for pressure in a fish is the:

lateral line

Ectotherms that spend time in water and on land, but lay eggs in water are:

amphibians

The bones of birds are:

hollow and filled with air spaces

Which ectotherms have dry, scaly skin and lay amniotic eggs?

reptiles

How many chambers do the hearts of most reptiles have?

three

The organ a bird uses to grind its food is called the:

gizzard

Because amphibians’ overall health reflects the health of their ecosystem, they are:

biological indicators

What is the primary role of mammary glands in mammals?

to produce milk

Do mammals have hollow bones?

NO

Name the three living groups of reptiles:

Lizards & Snakes; Turtles; Crocodiles and Alligators

Four adaptations of birds’ bones that help them fly include:

hollow bones; wings; strong flight muscles; good respiratory system

Three uses of wings include:

fly, swim; balance

Three glands that most mammals have include:

sweat; mammory; oil and scent