Podcast
Questions and Answers
What is the outcome of interspecific competition?
What is the outcome of interspecific competition?
- It depends on the species involved and environmental factors (correct)
- An unstable equilibrium can occur
- One species always wins
- Both species always co-exist
Which of the following insects is a milkweed specialist?
Which of the following insects is a milkweed specialist?
- Oleander aphid (correct)
- Monarch butterfly caterpillar
- Grasshopper
- Ladybug
What can affect the outcome of interspecific competition?
What can affect the outcome of interspecific competition?
- Neither environmental nor biological factors
- Both environmental and biological factors (correct)
- Only biological factors
- Only environmental factors
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Study Notes
- Interspecific competition is more complex than intra-specific competition.
- It involves competition between individuals of different species for limited resources.
- The outcome can be one species winning, both co-existing, or an unstable equilibrium.
- Environmental and biological factors can affect the outcome.
- The picture shows two herbivorous insects competing for the same resource on milkweed.
- The insects are oleander aphids and monarch butterfly caterpillars.
- Oleander aphids are milkweed specialists and are charismatic and beautiful.
- They can be found on native and introduced milkweed.
- Breathing on them makes them dance.
- Check them out if you find them.
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