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Questions and Answers
What is the primary reason the speaker disliked sandboxes as a child?
What is the primary reason the speaker disliked sandboxes as a child?
- Seeing sandboxes full of debris and trash
- Encountering aggressive children in the sandbox
- Discovering sandboxes filled with antlions (correct)
- Finding sand too hot to play in
What is the nature of the relationship between barnacles and whales?
What is the nature of the relationship between barnacles and whales?
- Mutualistic, providing benefits to each other
- Parasitic, harming the whale while benefiting from the relationship
- Predatory, preying on the whale for food
- Commensal, benefiting from whale's movement while neither helping nor harming the whale (correct)
What is the characteristics of antlion larvae?
What is the characteristics of antlion larvae?
- They build nests for shelter
- They have a symbiotic relationship with acacia trees
- They have wings for flying
- They inject enzymes into ants to consume their juices (correct)
How do antlion populations change in relation to ant populations?
How do antlion populations change in relation to ant populations?
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Study Notes
- Speaker disliked sandboxes as a child due to discovering sandboxes filled with antlions.
- Antlions are insects with two forms: adult and larvae.
- Antlion larvae have mandibles and create sand pits to trap ants, injecting enzymes to consume ant's juices.
- Antlions are predators of ants.
- Antlion populations increase when ant populations increase, but decrease if ant population is depleted.
- Antlions may compete with other antlions and other species for food.
- Antlions can be prey for birds.
- Some species of trees, like acacia, have symbiotic relationships with ants through hollow thorns for housing and nectar.
- Acacia trees benefit from ants' protection.
- Barnacles have a commensal relationship with whales, benefiting from whale's movement while neither helping nor harming the whale.
- Ecological relationships impact populations of various species and scientists continue to study new relationships.
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