Relationships
A clownfish eats small creatures that harm the sea anemone. The sea anemone protects the clownfish from the clownfish's predators. What kind of symbiotic relationship is this?
mutualism
The arrows on a food web point to the ________.
predator
What is the process by which plants take in Carbon?
photosynthesis
Define abiotic factor.
Abiotic means something that is nonliving and impacts the ecosystem.
A tick lives on a cat and feeds on the cat's blood. The cat's skin becomes itchy and painful. Which symbiotic relationship is this?
parasitism
Besides food and water, what are two other resources that organisms may compete for?
shelter, space/ land, sunlight, mates
Responses may vary.
Why do invasive species thrive in new places?
Give three examples of abiotic factors. (All 3 answers must be correct to receive points.)
Responses may vary.
Explain the relationship between decomposers and producers and consumers. Your answer must include all 3 words. Write your answer in a complete sentence.
Decomposers break down dead producers and consumers.
Answers may vary.
A tertiary consumer may be a ____1____ or a _____2____.
(What kind if consumer are they.)
1. carnivore
2. omnivore
What is the name for a species that holds an ecosystem together?
keystone species
Define carnivore. Write your answer in a sentence.
A carnivore is an organism that eats only meat.
A remora fish attaches to a shark. The shark provides transportation for the fish. The shark is not hurt nor harmed. Which type of symbiotic relationship is this?
commensalism
Which organism (decomposer, producer, or consumer) has the most available energy? Explain. (Answers must be written in complete sentences.)
The producer has the most available energy because it makes its own energy.
A population exceeds its carrying capacity. What is one effect that may occur?
Resources become limited
Competition occurs between organisms
Organisms die because there are not enough resources
Define ecosystem. Write your answer in a sentence.
An ecosystem is made up of living organisms and their physical environment.
The pitcher plant hides the whooly bat. The whooly bat gives the plant nutrients. What type of symbiotic relationship is this?
mutualism
A primary consumer is a(n) _____1______. A primary consumer is in the ____2______ trophic level.
*The answer to 1 is a science term.
1. herbivore
2. secondary
What is it called if organisms leave a habitat?
emigration
The transfer of energy from one trophic level to the next is inefficient. What is one reason for this? Write in complete sentences.
A lot of the energy is lost to the environment as heat due to cell processes. (Think of when you sweat after exercising.)
Carnivores use a lot of energy to find food.
Consumers do not eat all parts of an organism.