Study Guide Answers
What is classification Sorting into groups based on similarities and differences
Why do scientists classify plants and animals To study plants and animals and understand the living world
How are animals classified How they reproduce Body structures
What are vertebrates Animals with a backbone and skeleton
What are invertebrates Animals that do not have a backbone. Invertebrates have an exoskeleton or shell.
What are the 5 types of vertebrates Fish, amphibians, reptiles, mammals, birds
What are characteristics of fish Cold-blooded Breathe with gills Have scales Live in water Have eggs
What are gills Special organs fish use to breathe
What are characteristics of amphibians Cold blooded Smooth, moist skin Begin life in water and eventually live on land Live near water Lay eggs
What are characteristics of reptiles Cold blooded lungs Rough skin with scales or hard plates Live on land Lay eggs
How are amphibian and reptile eggs different Reptiles have eggs that are hard and tough Lay eggs on land Amphibian eggs are softer Lay eggs in water
What are characteristics of birds Warm blooded Lay eggs Have feathers
What are characteristics of mammals Warm blooded Have lungs Have fur or hair Live birth
How are plants classified How they reproduce How they transport materials inside the plant
Are mushrooms a type of plant? Why or why not? No, they are decomposers
What are characteristics of vascular plants Tubes that transport water and sugars Stems, leaves
What are characteristics of nonvascular plants Grow close to the ground No roots No tubes Grow close to water source
What two ways do plants reproduce Seeds and spores
Describe ferns Vascular plants that reproduce using spores
What are characteristics of deciduous plants Leaves fall off every year Leaves change colors Have broad leaves
What are coniferous plants Plants that have cones Leaves do not fall off Most are evergreen
What are angiosperms Seeds that are protected by flowers or fruit
What are gymnosperms Seeds that are in a cone or in hard berries