Ecosystem Unit EOG 2022

Ecosystem Unit EOG 2022

By Garfield Baker

Multiple Choice

Pseudoscorpions often hitch rides on the backs of large beetles or true bugs. What is the ecological relationship?

• Mutualism
• Commensalism
• Parasitism
• Cooperation

Multiple Choice

According to the graph, what is causing the deer population to decrease

• They got sick

• The wolf population is decreasing

• The wolf population increased

• They ran out of food

Multiple Choice

Predator population lags behind prey population because......

• Increase in predators leads to decrease in prey

• Increase in predators leads to increase in prey

• Increase in predators leads to decrease in producers

• Increase in producers leads to increase in prey

Multiple Choice

This is the largest number of individuals of a population that the environment can support...

• carrying capacity

• population crash

• lag phase

• mutualism

Multiple Choice

What term best describes the grasshopper?

• Herbivore
• Predator-prey
• Competition
• Producer

Multiple Choice

Cows and pronghorn both eat the same types of food in areas of Utah. What is the ecological relationship?

• Cooperation
• Parasitism
• Commensalism
• Competition

Multiple Choice

Ants protect soft bodied aphids and in return the aphids feed the ants a sugary drink. What is the ecological relationship?

• Cooperation
• Parasitism
• Commensalism
• Mutualism

Multiple Choice

The tiny organism that cause harm on the host body. 

• host
•   parasites
•  predator
•  prey 

Multiple Choice

A mosquito feeds off of the blood of different organisms. This usually causes discomfort to the organism and sometimes disease and death. What ecological relationship is it?

• Commensalism
• Mutualism
• Parasitism
• Predation

Multiple Choice

Which of the following is characteristic of predation? 

• One organism kills and consumes another.
• One organism lives in or on another and benefits.
• Two organisms live together and neither is harmed.
• Two organisms nourish each other; both benefit.

Multiple Choice

All energy on Earth ultimately comes from what source?

• Water
• Sun
• Consumers
• Oxygen

Multiple Choice

What are plants called in a food chain?

• Producers
• Consumers
• Decomposers
• Scavengers

Multiple Choice

Why might an organism have more than one arrow coming from them in a food web?

• More than one organism may eat them.

• They may eat more than one other organism.

• This organism gets its energy from multiple sources.

Multiple Choice

In an ecological pyramid, which type of organism always has the least amount of energy available?

• Producers

• Herbivores

• Carnivores

• Apex Predator

Multiple Choice

What percentage of energy is passed on to each tropic level?

• 10%
• 50%
• 90%
• 100%

Multiple Choice

If there are 100 Kcal of energy available in the producers, how much energy would be available in the primary consumers?

• 10 Kcal

• 1 Kcal

• 100 Kcal

• 1000 Kcal

Multiple Choice

Which organism do the owl and the weasel compete for in the food web?

• Hawk

• Spider

• Grasshopper

• Shrew

Multiple Choice

What is one of the "ingredients" for photosynthesis?

• Sugar (Glucose)
• Oxygen
• Carbon Dioxide
• Yeast

Multiple Choice

What are the two products of photosynthesis?

• Oxygen and Carbon Dioxide
• Oxygen and Sugar
  

• Sunlight and Sugar

Multiple Choice

What is the opposite reaction of photosynthesis called?

• Cellular Respiration
• Fermentation
• Photosynthetic Process
• Non-photosynthesis

Multiple Choice

What is one of the 3 products of cellular respiration?

• Sunlight
• Energy
• Oxygen
• Sugar (Glucose)

Multiple Choice

Plants take in Oxygen to give us Carbon Dioxide to breathe.

• True
• False

Multiple Choice

The three things plants need are sunlight, water, and CO2 for photosynthesis.

• True
• False

Multiple Choice

Why are Respiration and photosynthesis opposites?

• Plants and living things trade what they make to what they give away as waste.
• They are not opposites, they are the same thing.
• Plants only do respiration not photosynthesis.
• Animals make their own food which is photosynthesis.