21.1 Ecosystems

Great Danes are large dogs that were originally referred to as boar hounds because they were bred to hunt boars. They are one of the tallest dog breeds and can weigh up to 200 pounds. Great Danes are an example o 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

Tags

NGSS.MS-ESS2-4

Pyrite is a mineral that is also referred to as "fools gold." It is commonly found in many types of rocks such as limestone. Pyrite is an example of which type of factor?

• Biotic

• Abiotic

An angler fish has a fleshy growth on its head that gives off light. This part acts as a lure to help the angler fish catch its prey. An anglerfish is an example of which 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

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Brandon and his dad cut a tree that fell in a storm into smaller sections. Then they split the wood to use for firewood. Firewood is an example of which type of factor.

• Biotic

• Abiotic

Air is a mixture of colorless gases. The air that makes up the Earth's atmosphere consists primarily of nitrogen and oxygen. Air is an example of which 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

Tags

NGSS.MS-ESS2-4

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

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

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3