life science review

All the living organisms that live in an area together with the nonliving factors of the environment is called an...

• ecosystem

• community

• population

• habitat

What are the two factors that are present in every ecosystem?

• carbon dioxide and oxygen

• energy and matter

• plants and other organisms

• cells and tissues

What is the climate of an area largely determined by?

• it's location on Earth

• biosphere

• plant and animal life

• seasonal changes

Where do biomes exist?

• on land

• in the sky

• in the ocean

• none of the above

Trees that drop all their leaves each year are called

• coniferous trees

• rainforest trees

• canopy trees

• deciduous trees

What is a savanna?

• grassland with no trees

• very little grassland with lots of trees

• grassland with few scattered trees

• grassland by water

These animals are found in the freshwater ecosystem

• frogs

• trout

• jellyfish

• dragonfly

These organisms are part of the saltwater ecosystem

• minnow

• coral reef

• plankton

• lobsters

How many different levels are in the classification hierarchy?

• 8

• 5

• 10

• 7

Animals are divided into two large groups

• reptiles and amphibians

• mammals and reptiles

• invertebrates and vertebrates

• mammals and amphibians