What Mass of O₂ Is Needed to React with Exactly

question 6

Multiple Choice

What mass of O₂ is needed to react with exactly 2.4 g H₂ to make H₂O?

• A) 4.6 g
• B) 9.5 g
• C) 8.1 g
• D) 19 g
• E) none of these

Understand the concept of ecological mimicry and its types.

Explain the significance of keystone species beyond their abundance.

Recognize various ecological effects such as the edge effect and the role of dominant and keystone species in ecosystems.

Understand adaptations in species for defense against predators and the significance of coloration.

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