Symbiosis
Authored by Chandra Elisabeth Smith
Biology
6th Grade
NGSS covered
Used 2K+ times
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About
This quiz focuses on symbiosis, the ecological concept describing close relationships between different species. Designed for 6th grade biology students, the assessment covers the three main types of symbiotic relationships: mutualism (both species benefit), commensalism (one benefits while the other is unaffected), and parasitism (one benefits while the other is harmed). Students must analyze real-world examples ranging from cattle egrets feeding near livestock to tapeworms in cats, then classify each relationship correctly. The quiz requires students to understand the key characteristics that distinguish each symbiotic type, apply definitional knowledge to interpret biological scenarios, and recognize the bidirectional effects that organisms have on each other in nature. Success depends on students' ability to identify the costs and benefits experienced by each organism in a relationship and match these patterns to the appropriate symbiotic category. Created by Chandra Elisabeth Smith, a Biology teacher who teaches grade 6. This quiz serves multiple instructional purposes in the life science classroom, functioning effectively as a formative assessment tool to gauge student understanding of ecological relationships, a review activity before summative testing, or homework practice to reinforce concepts introduced during direct instruction. Teachers can use this as a warm-up activity to activate prior knowledge about organism interactions or as guided practice during lessons on ecosystems and biodiversity. The variety of examples helps students transfer their understanding across different contexts, from marine environments to terrestrial ecosystems. This assessment aligns with middle school life science standards that address ecosystem interactions, including NGSS 5-LS2-1 (organism interactions and group behavior for survival) and supports student mastery of MS-LS2-1 (analyzing and interpreting data on environmental factors affecting organism growth).
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
Tags
NGSS.MS-LS2-2
NGSS.MS-LS2-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A relationship between two organisms in which one organism benefits and the other is unharmed...
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A tapeworm takes the nutrient from a cat to its detriment.
Tags
NGSS.MS-LS2-4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of symbiosis? Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower.
Tags
NGSS.MS-LS2-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Red-billed oxpeckers are birds that often feed on parasites that infest hippos. This is an example of _______.
Tags
NGSS.MS-LS2-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A relationship between two species where one benefits while the other is harmed.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales. What kind of relationship is this?
Tags
NGSS.MS-LS2-2
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