Ecology Terms Quiz: 8.1 & 8.2 2025

What does phototropism refer to?

• The ability of a plant to grow in any direction regardless of light

• The growth of a plant away from a light source

• The growth of a plant towards a light source

• A plant's ability to change its color in response to light

Consider a newborn sea turtle instinctively moving towards the ocean immediately after hatching. What does this behavior represent?

• Innate Behavior

• A behavior that is modified based on experience

• Learned Behavior

• A behavior that only occurs in adult animals

What characterizes an R-strategist species?

• Producing a few offspring with high parental care

• Long lifespan and slow development

• Producing many offspring with little to no parental care

• High ability to compete for resources

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Why are ectotherms more commonly found in warmer climates?

• Because they can generate their own heat

• Because they rely on the environment to regulate their body temperature

• Because they have a high metabolic rate

• Because they can survive freezing temperatures

Which of the following best describes the relationship between photoperiodism and flowering in plants?

• Plants flower when they receive no light.

• Plants flower regardless of the light conditions.

• The flowering of some plants is triggered by changes in the length of day and night.

• All plants flower when exposed to continuous light.

Where are autotrophs found in food chains/webs?

• In the middle

• At every level

• At the first level

• At the top

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Which of the following would most likely occur if a disease killed off all the grasshoppers in an area?

• An increase in mice.

• A decrease in the number of snakes.

• An increase in foxes.

• A decrease in grass.

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In a typical garden ecosystem, which of the following is a primary consumer?

• Foxes

• Carrots

• Mice

• Owls

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A herd of zebras would be considered a

• community
• species
• ecosystem
• population

In a biology class, students are tasked with creating a graphic organizer to showcase how different elements in nature are organized from the smallest to the largest scale.

Which term best fits the X in their organizer?

• cell

• organism

• ecosystem

• biosphere

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