Edaphic Factors
What is an Edaphic factor?
What are examples of climatic factors?
Light, temperature, humidity, water availability, wind, and atmospheric gas.
What are examples of aquatic habitats?
Ponds, lakes, rivers, oceans and coral reefs.
What is a habitat?
What are the three types of soils?
How does humidity affect the rate of it?
It affects the rate of transpiration in plants and the evaporation of water from some animals.
What are aquatic organisms affected by?
Light, temperature, water availability, and pollutants.
What is a population?
All the members of a particular species living together in a particular habitat.
How does water have an impact on living organisms?
Water is essential for photosynthesis.
Dissolves minerals so they can be absorbed by plant roots.
Prevents the drying out of organisms without waterproof body coverings.,
What activities of plants and animals are affected by Light?
Flower in Plants
Migration
Reproduction of animals
What animals live in fresh water?
Snails, worms, turtles, frogs, marsh birds, mollusks, alligators, beavers, otters, snakes, and many types of insects.
Give an example of a ecosystem.
Coral reef, pond, mangrove swamp, grassland or forest etc.
What does pH measure?
How acidic or basic something is.
What does temperature affect the rate of in plants?
Photosynthesis and Germination
What is Salinity?
Salinity is the concentration of salt in the water.
Give 3 examples of abiotic factors.
temperature, light, and water.
What is Humus?
Humus is formed by bacteria and fungi decomposing dead or waste organic matter. It is a dark brown, sticky material which coats soil particles.
What is essential for pollination and seed dispersal?
Wind
Why is dissolved oxygen important?
It helps aquatic organism use it for respiration.
Give an example of a niche.
Earthworm's niche is to burrow through soil.
Bees' niche is to pollenate etc.