WorksheetsEcology
Total questions: 25
Worksheet time: 25mins
John takes the subway to work every morning. He enjoys drinking his coffee and talking to people that sit near him. The other people on the subway are an example of what type of factor?
Abiotic
Biotic
Termites are tiny insects that can cause severe damage to homes and other structures that consist of wood. Termites are an example of what type of factor.
Biotic
Abiotic
The Sun is the source of all energy within an ecosystem. Plants depend on light from the sun in order to perform the process of photosynthesis. Sunlight is an example of what type of factor?
Biotic
Abiotic
A black mamba is a highly venomous snake that can reach lengths of 14 feet. They are also able to slither at speeds of 12 miles per hour (mph). A black mamba is an example of what type of factor?
Biotic
Abiotic
Water is a compound that consists of 2 hydrogen atoms and 1 oxygen atom. Up to 60% of an adult human is made up of water. Water is an example of what type of factor?
Biotic
Abiotic
An arctic blast pushed its way through several of the Northern state in the United State. The temperatures dropped below freezing for several days. Temperature is an example of which type of factor?
Biotic
Abiotic
Precipitation is water in liquid or solid form that falls from Earth's atmosphere to the ground due to gravity. Rain, snow, sleet and hail are common forms of precipitation. Precipitation is an example of which type of factor?
Biotic
Abiotic
The arrows represented most likely indicate
Which statement describes an interaction that helps maintain the dynamic equilibrium of this ecosystem?
Which of these is a biotic factor in a river ecosystem?
the types of microorganisms that live in the river water
the amount of soil and other particles carried by the river
the speed at which the river water flows toward the ocean
the amount of rain that flows off the land and into the river
In many desert ecosystems, days are hot and nights are cold. Water is scarce, so animals seek water wherever possible. The spines of a cactus are actually leaves adapted to conserve water. The cactus plants have also adapted to live in thin, sandy soil. Which of the following is a biotic component of a desert ecosystem?
the thin, sandy soil
the wide temperature range
the scarcity of water
the spiny cactus leaves
Drought, erosion, flood, and prolonged heat spells are examples of —
communities
biotic factors within an ecosystem which affect abiotic components
populations
abiotic changes within an ecosystem which can affect biotic factors
How are populations different from communities?
Populations consist of one species; communities consist of many species.
Populations can contain plants and fungi; communities consist of animals only
Populations consist of many species; communities consist of one species.
Populations consist of animals only; communities can contain plants and fungi.
an organism that benefits from its relationship with an organism that it lives in or on while the other organism is harmed
host
parasite
symbiosis
rude
