Ecosystem Relationships Review

Barn owls hunt shrews. In this example what is a barn owl?

• Herbivore/Predator
• Carnivore/Prey
• Carnivore/Predator

Sharks consume smaller fish they catch in the ocean. This is an example of what type of relationship?

• predator/prey
• parasite/host
• prey/predator

In the tropical regions of Africa, the crocodile lies with its mouth open. The plover flies into its mouth and feeds on bits of decaying meat stuck in the crocodile’s teeth. The crocodile does not eat the plover. Instead, he appreciates the dental work. The plover eats a meal and the crocodile gets his teeth cleaned. This is an example of 

• mutualism
• commensalism
• Parasitism:

The deer tick attaches to a warm blooded animal and feeds on its blood. Ticks need blood at every stage of their life cycle. They also carry Lyme disease, an illness that can cause joint damage, heart complications, and kidney problems. The tick benefits from eating the animal's blood. Unfortunately, the animal suffers from the loss of blood and nutrients and may get sick.This is an example of 

• mutualism
• commensalism
• Parasitism:

Commensalism occurs when what happens between organisms?

• Both organisms are destroyed
• One organism benefits while the other is neither harmed or benefitted
• Both organisms need the other for survival
• One organism is harmed while the other organism benefits

When an organism's energy source comes from both animals and plants, that organism is considered to be a what?

• predator
• omnivore
• herbivore
• carnivore

In a grassland biome, the herbivores would compete most for

• Soil
• Space
• Grass

In photosynthesis, _____ energy is transformed into_____ energy to be used for the plant's life processes. 

• stored; mechanical
• mechanical; radiant
• radiant; chemical

What is the function of photosynthesis?

• to make light
• to make carbon dioxide
• to make food for the plant

Remora fish are very bony and have a dorsal fin (the fin on the back of fish) that acts like a suction cup. Remora fish use this fin to attach themselves to whales, sharks, or rays and eat the scraps their hosts leave behind. The remora fish gets a meal, while its host gets nothing. Selfish, sure, but neither gets hurt. This is an example of 

• mutualism
• commensalism
• Parasitism: