unit 3 c lesson 1

a system made up of all the living and nonliving things in a given area. pg 132

• Biodiversity

• nonliving

• Ecosystem

• living

Which is not a living organism in an ecosystem pg 132

• water

• lions

• plants

• fish

Which is not a nonliving organism in an ecosystem pg 132

• water

• tiger

• rock

• sand

refers to the variety of life in Earth’s land, freshwater, and marine ecosystems.pg 133

• Ecosystem

• sand

• rocks

• Biodiversity

refers to the variation of genes within a species or population in a given area. pg 133

• Ecosystem Diversity

• Species Diversity

• Genetic Diversity

• Ecosystem

refers to both the number of different species that are in a given area as well as the number of individuals of each species that are there. pg 133

• Ecosystem

• Species diversity

• Genetic diversity

• Ecosystem diversity

refers to the variety of ecosystems in a given area. pg 133

• ecosystem

• Ecosystem diversity

• Species diversity

• Genetic diversity

a change in environmental conditions that causes a change in an ecosystem. pg 136

• ecosystem disturbance

• biodiversity

• ecosystem

• nonliving

Which is not a natural disturbance pg 136

• storms

• Wildfires

• oil spills

• tsunami

Which is not a disaster caused by humans pg 136

• oil spills

• storms

• fires

• clearing of land to harvest trees