viernes, 22 de mayo de 2015

EXAM REVIEW (POSSIBLE QUESTIONS)

What are vertebrates?

Vertebrates are animals with an internal bony skeleton with a spinal column.

Which classes of vertebrate animals are there?

This taxonomic group has five classes: fish, amphibians, reptiles, birds and mammals.

How do fish breathe?

They breathe through their gills.

What's the operculum?

The operculum is  an structure that covers the gills. 

What's the lateral line?

It's a sensory organ used by fish to detect movement in the water.

How do amphibians breathe?

They breathe through gills when they're tadpoles and through lungs and their skin when they are adults.

Which groups of reptiles do you know? Give examples of each

There are 3 groups: Chelonia (tortoises and turtles), Squamata (lizards, snakes and chameleons) and Crocodylia (crocodyles, alligators and caimans)

What do reptiles eat?

Most reptiles are carnivorous but some are herbivorous.

What's does the shape of a bird's beak depend on?

It depends on the bird's diet.

What are the main characteristics of mammals?

Mammals have a body covered with fur, mammary glands to feed their babies on milk. They are homeotherms and breathe through lungs.

What types of mammals do you know?

There are three big groups of mammals: monotremes, marsupials and placentals.

What's the main difference between monotremes and marsupial mammals?

Monotremes are oviparous and marsupials are viviparous

What's the main difference between marsupials and placental mammals?

Young marsupials complete their development in an external pouch where the mammary glands are and placentals are already well developed when they're born.

What are the main characteristics of the human species?

Our body is covered with down, we have opposable thumbs, we can stand upright and our brain is highly developed

MAMMALS


BIRDS