Ecological Concepts and Biomes

1. What is the range of tolerance for a species?

• A) The range of biotic factors a species interacts with

• B) The range of abiotic conditions a species needs

• C) The number of species in an ecosystem

• D) The amount of food available to a species

2. Which of the following is NOT a required condition for coral reef formation?

• A) Shallow depth

• B) High acidity

• C) Clear water

• D) Temperature between 23-29°C

3. A biome with an average annual temperature of 30°C and 200 cm of precipitation is most likely a:

• A) Desert

• B) Temperate forest

• C) Tropical rainforest

• D) Tundra

4. Convergent evolution occurs when:

• A) Species evolve the same traits due to a similar environment

• B) Two species merge into one over time

• C) A species splits into two new species

• D) Genetic mutations decrease adaptability

5. Which location is best associated with the taiga biome?

• A) South America

• B) Canada

• C) Georgia

• D) Middle East

6. Which of the following is NOT an adaptation of the saguaro cactus?

• A) Large, broad leaves for photosynthesis

• B) Pleated stems that allow swelling after rain

• C) Waxy skin to retain moisture

• D) CAM metabolism allowing stomata to open at night

7. Which of the following is NOT an adaptation of the fennec fox?

• A) Large ears to radiate heat

• B) Hair-covered feet for walking on hot sand

• C) A dark coat to absorb sunlight

• D) Nocturnal activity to avoid heat

8. An example of a population is:

• A) All the lions in a savanna

• B) Lions, warthogs, and meerkats in a savanna

• C) Lions hunting zebras

• D) Zebras, gazelles, and cheetahs in a grassland

9. What is the Lincoln Index used for?

• A) Measuring plant growth

• B) Estimating population size of moving animals

• C) Measuring tree height

• D) Counting the number of species in an area

10. Carrying capacity is:

• A) The number of predators in an area

• B) The number of species in a biome

• C) The maximum population size an environment can support

• D) The amount of food a species consumes