Biology - main organism groups

Question 1

What are the main features of fish?

Answer 1

scales, fertilise external, embryo in soft eggs, breathe with gills, temp is ectothermic, e.g rainbow trout

Question 2

What are the main features of amphibiam?

Answer 2

moist skin, fertilise external, embryo soft eggs, breathes with gills/lungs, temp is ectothermic, lives in water&land, e.g frog

Question 3

What are the main features of reptiles?

Answer 3

scales, internal fertilisation, embryo leather eggs, breathe through lungs, temp is ectothermic, lays eggs on land , e.g snake

Question 4

What are the main features of mammels?

Answer 4

fur or hair, fertilise internal, live birth, breathe through lungs, temp is endothermic, produces milk, e.g human

Question 4

What are the main features of birds?

Answer 4

feathers, fertilise internal, embryo hard eggs, breathe through lungs, temp is endothermic, beak, e.g eagle

Question 4

What are the main features of insects?

Answer 4

3 pairs of legs, breathe though tracheae, 2 pairs of wings, e.g moth

Question 4

What are the main features of crustaceans?

Answer 4

4 of less pairs of legs, breathe through gills, no wings, e.g crab

Question 5

What are the main features of a flowering plant (angiosperms)?

Answer 5

-Have roots, stems and leaves
-Reproduces sexually
-Seeds are produced inside ovary in the flower

Question 5

What are the main features of arachnids?

Answer 5

4 pairs of legs, breathe through gills (book lungs), no wings, e.g spider

Question 5

What are the main features of a fern?

Answer 5

-Have roots, stems and leaves
-Have leaves called fronds
-Reproduces using spores

Question 5

What are the main features of myriapods?

Answer 5

2 pairs per segment, breathe through tracheae, no wings, millipedes