A close, permanent relationship between organisms of different species is called symbiosis.



Read the definition of symbiosis given above. Barnacles attach to whales because they cannot move on their own. The whales are not harmed by the barnacles. What type of symbiotic relationship exists between these organisms?

A close, permanent relationship between organisms of different species is called symbiosis.



Study the definition of symbiosis given above. The acacia tree provides a home and food for ants. The ants protect the acacia by attacking other organisms that try to eat the tree. What type of symbiotic relationship exists between these organisms?

Organisms within food webs are interdependent and often compete for resources.



Study the statement above. Organisms such as grasses and shrubs are known as ________.

organisms within the food web are interdependent and oftem compete for resources



Study the statement about food webs above. Organisms such as lions, which kill and feed on other animals, are known as ________.

Organisms within food webs are interdependent and often compete for resources._

Read the statement given above. Organisms that use light energy or energy stored in chemical compounds to make energy-rich compounds are known as ________.