Biomes and Animal Communications 18-19

alpine tundra because the summer temperatures are close to 40°C

temperate grassland because the winter temperatures are close to 0°C

tropical rain forest because it receives close to 400 cm of rain in a year

desert because it receives less than 25 cm of rain in a year

Coral Reefs

Blue whales

Phytoplankton

Sunlight

High humidity

kapok tree

Blue mountain butterfly

Bucket orchard flowers

there are few plants in the rain forest

there are few animals in the rain forest

the rain forest soil is poor in nutrients

the rain forest soil is very rich

Tropical rain forest

Temperate grassland

Coniferous forest

Arctic tundra

They are all decomposers

They go to the surface to search for food

They feed on each other and on material that sinks from the surface waters

They use photosynthesis to make their own food

Tactile cues

Visual cues

Pheromones

Auditory cues

Tactile cues

Visual cues

Pheromones

Auditory cues

Mountain lions mark their territory to warn others who smell these scent marks to stay away

A squashed ant secretes a substance that warns nearby ants of danger and causes them to swarm and sting

Two dogs sniff each other when they meet

A chimpanzee raises its arms, slaps the ground, and stares at another chimpanzee when threatened

often hot and very humid

often hot and very dry

many grasses and few trees

many cacti and few grasses