LESSON 2 QUIZ

Plants that flower when exposed to darkness less than 10 to 12 hours of darkness are called ______________.

• long-day plants

• short-day plants

• day-neutral plants

• none of the above

Plants that flower when exposed to darkness more than 12 hours of darkness are called ______________.

• long-day plants

• short-day plants

• day-neutral plants

• none of the above

Plants that do not get affected by how many hours of darkness they are exposed to are called ______________.

• long-day plants

• short-day plants

• day-neutral plants

• none of the above

Based on this picture, which is a biotic factor?

• the water

• the clouds

• the tree

• sunlight

Which list includes only abiotic parts of an environment?

• soil, rocks, water

• soil, leaves, flowers

• rocks, leaves, water

• water, rocks, tadpoles

Which list includes only abiotic factors?

• air, grass, soil, water

• sunlight, soil, water, and air

• soil, grasshoppers, snails, frogs

• sunlight, flowers, chlorophyll, water

Which is an abiotic factor in a grassland?

• bacteria

• lion

• sunlight

• tree

Which of these is an abiotic element in an ecosystem?

• the average yearly rainfall in the ecosystem

• the types of producers found in the ecosystem

• the size of a predator population in the ecosystem

• the microorganisms living in the soil of the ecosystem

Which of these is an abiotic element in an ecosystem?

• the average yearly rainfall in the ecosystem

• the types of producers found in the ecosystem

• the size of a predator population in the ecosystem

• the microorganisms living in the soil of the ecosystem

Which abiotic factor is the basis for a pond ecosystem?

• insects

• frogs

• water

• wind