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In countries where the number of children younger than 15 is approximately equal to the number between ages 15 and 45, the population is:
Q12: Fungi that live inside plant leaves and
Q20: A shark is a(n):<br>A)bony fish.<br>B)cartilaginous fish.<br>C)jawless fish.<br>D)amphibian.<br>E)invertebrate
Q48: What would happen to an ecosystem if
Q54: Two species of buttercup are found in
Q55: Fire is increasingly used as a management
Q56: Bird migration is an innate behavior. True
Q57: The term _ describes the variety of
Q63: What biome would you expect to find
Q70: Sponges have:<br>A)a gastrovascular cavity.<br>B)spicules.<br>C)a nerve net.<br>D)muscles.<br>E)an exoskeleton.
Q113: In nitrogen-limited ecosystems, legumes often dominate over