are animals with backbones.
to arrange or sort objects or living things according to their properties or characteristics.
are animals without backbones.
plants have tubelike structures that connect their leaves, stems, and roots. They also add support and transport water and nutrients to all parts of the plant.
plants pass water and nutrients from cell to cell.
Scientists classify plants in two ways. They are based on their height and how they reproduce.
There are more animals that do not have backbones than there are that do
have backbones.
All organisms in the same group have some common characteristics.
Vascular plants with cones are called conifers.
Plants like mosses or ferns reproduce by producing spores. These need a dry and sunny place to get nutrients and grow.
Most animals on Earth are vertebrates.
Name a type of vascular plant.
Name an example of a nonvascular plant.
How would you decide if an unknown animal is a fish or an amphibian?
An animal has lungs, breathes air, is warm-blooded and gives birth to live young. In what vertebrates group does this animal belong?
An animal has a hard outer skin and jointed legs. What group is this animal classified in?