Answer:
<h2>D. Competitively dominant to other organisms in the ecosystem</h2>
A keystone species is an organism that helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether.
<em>Hope that helps! :)</em>
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<em>-Aphrodite</em>
Explanation:
Answer:
Cane toads are considered an invasive species and are poisonous to most animals that try to bite or consume them.
Explanation:
They can keep organ tissue alive for transplantation.
