1.<span>one species benefits, while the other is neither helped nor harmed
2.</span><span>The snake is a keystone species in the ecosystem
3.</span><span>Biodiversity and ecosystem health will both decrease in the future
4.</span><span>Skunks and toads have a predator-prey relationship
8.</span><span>the surviving species preyed on the extinct species
9.</span><span>It results from instinct.
10.</span><span> web spinning
11.</span><span>migrating for warmth
12.</span><span>They are a keystone species
13.</span><span>As biodiversity increases, humans receive increased benefits
looks like you had the answers already
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X =4
That’s the answer and I hoped this helped you
