Grade 6 Science Revision

Which of the following is a living component of an ecosystem?

• Rocks

• Trees

• Water

• Soil

Microorganisms such as bacteria can:

• Only live in deserts

• Be seen using a microscope

• Only live in oceans

• Be seen easily without a microscope

The first organism in most food chains is usually a:

• Carnivore

• Omnivore

• Producer

• Herbivore

Which of the following is a marine biome?

• Desert

• Coral reef

• Tundra

• Savanna

Freshwater ecosystems include:

• Oceans

• Rainforests

• Rivers and ponds

• Grasslands

Which is the main source of energy for all ecosystems?

• Moon

• Sun

• Soil

• Wind

Waves in the ocean transfer:

• Soil

• Energy

• Animals

• Rocks

Which wave carries signals for mobile phones?

• Water wave

• Seismic wave

• Radio wave

• Sound wave

Ocean currents are caused by:

• Animal movement

• Soil erosion

• Wind and temperature differences

• Moon phases

Photosynthesis occurs in which part of the plant?

• Flowers

• Stem

• Leaves

• Roots