Natural selection results in:
Options:
- (A) insects
- (B) root growth
- (C) Plants growth
- (D) Animal survival
- (E) animals
- (F) Plant reproduction
- (G) mammals
- (H) specialization
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Let's think first: Specialization occurs when competing species evolve different adaptations. Adaptation is the result of natural selection. Specialization is a result of natural selection.... So the answer is [(H)]

What do many plants do to respond to the shorter days in fall?
Options:
- (A) go through a resting period
- (B) changing the phase
- (C) Release energy
- (D) Generating heat
- (E) produce more pollen
- (F) colder and wetter
- (G) grow taller
- (H) make more chlorophyll
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Let's think first: Many plants respond to the days growing shorter in the fall by going dormant. Plants can be divided at any time, although the dormant or rest period is best. Many plants respond to the days growing shorter in the fall by going through a rest period.... So the answer is [(A)]

Adult sponges are
Options:
- (A) warm
- (B) immobile
- (C) food
- (D) parasites
- (E) strong
- (F) white
- (G) fertile
- (H) warm-blooded
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Let's think first: Adult sponges are sessile. Sessile Attached permanently, immobile. Adult sponges are attached permanently, immobile.... So the answer is [(B)]

What is a type of the basic units of the structure and function of living things?
Options:
- (A) sensory neurons
- (B) osteogenic
- (C) animals
- (D) Chemical energy
- (E) Energy
- (F) trees
- (G) ferns
- (H) fur and fat
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Let's think first: Cells are the basic units of the structure and function of living things. Osteogenic cell types are indicated. Osteogenic is a type of the basic units of the structure and function of living things.... So the answer is [(B)]

What stops once menopause happens?
Options:
- (A) Menial tasks stop
- (B) Plant growth is reduced
- (C) Pulse stops
- (D) Dehydration
- (E) Breathing stops
- (F) Menstruation stops
- (G) smoking tobacco
- (H) recovery time from fatigue
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Let's think first: Menopause occurs when menstruation stops occurring, usually in middle adulthood. By definition, menopause occurs when menstruation stops permanently. Usually in middle adulthood menopause happens when menstruation stops permanently.... So the answer is [(F)]

The average weather in an area during an era is called:
Options:
- (A) Summer
- (B) epoch
- (C) good
- (D) autumn
- (E) time period
- (F) mild
- (G) Pleistocein
- (H) climate
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Let's think first: Climate is the average weather in an area over a long period of time. An era is a period of time in which events occur. Climate is the average weather in an area during an era.... So the answer is [(H)]