Ecology Review Part 1

An abiotic factor is...

• a nonliving thing in the ecosystem

• an environment without oxygen

• a living organism in an ecosystem

• an environment with oxygen

What is biodiversity?

• Different types of abiotic factors

• Diversity of life in an ecosystem

• The amount of biomass in an ecosytem

• Rocks found on the moon

Which of the following is a biotic factor?

• Rotting tree

• Dead fish

• Grasshopper

• Water

Which of the following is an abiotic factor?

• Trees

• Bacteria

• Cows

• Temperature

In a food web, arrows point to the...

• Predator

• Prey

• Weaker organism

• Stronger organism

What are the two types of primary producers?

• Chemosynthetic

• Herbivores

• Photosynthetic

• Decomposers

If the bottom trophic level has 1,000 kcal of energy, how much energy is available at the top?

• 1,000 kcal

• 100 kcal

• 10 kcal

• 1 kcal

Which on of these organisms do NOT need sunlight to survive?

• Trees

• Algae

• Chemosynthetic bacteria

• Dogs

Which organism eats butterflies?

• Snack

• Dragonfly

• Wolf

• Rat

• Frog

What is Transpiration?

• Moving from one spot to another

• Water lost through plant's leaves

• Releasing CO2 into the atmosphere

• The ozone layer