Ecosystems and Biomes

Which of these is not a characteristic of tropical rainforests?

• An average temperature of 28 degrees celsius.

• Located around the equators and between the tropic of cancer and capricorn.

• Average annual rainfall of 100mm.

• Convectional rainfall

The _______ _____ of an organism is the position it occupies in a food chain.

(a)  

How much energy is tranfered from one trophic level to the next trophic level

• 20%

• 10%

• 5%

• 1%

Which of the following is a producer?

• Ants

• Grass

• Oak Tree

• Leopard

The (a)   is the main source of all energy on Earth.

Which of these is not a characteristic of a hot desert?

• 2 defined seasons Summer and Winter.

• A high temperature range of 24 degrees Celcius.

• Little rainfall throughout the year.

• Total annual rainfall is 2000mm.

Which of these are characteristics of deciduous woodlands?

• Trees that lose their leaves in the Winter.

• There are four well defined seasons.

• The hottest month is August with peak temperatures of 30 degrees thought it has been getting warmer in recent years .

• The total annual rainfall is around 600mm.

Draw the flows of energy in this food chain!

Which of these are characteristics of the polar biome?

• Located at the north and south poles.

• Temperatures can fall below -50 degrees celcius.

• Evaporation and precipitation are very low with less than 50mm per year.

• There is a high level of vegetation cover.

Which biome does this climate graph correspond to?

• Tropical Rainforest

• Hot Desert

• Tundra