A characteristic that makes an individual better suited to its environment may eventually become common in that species through this process.

the behaviors and physical characteristics that allow organisms to live successfully in their environments.

The role of an organism in its habitat, or how it makes living.

The struggle between organisms to survive as they attempt to use the same limited resource.

An interaction in which one organism kills another for food.

The organism that does the killing.

A close relationship between two species that benefit at least one of the species.

A relationship in which both species benefit

A relationship in which one species benefits and the other species is neither harmed nor helped.

Involves one organism living on or inside another organism and harming it.

The organism that benefits from the host.

The organism that a parasite lives on.

1.Competition 2. Predation 3. Symbiosis

What are the three major ways organisms interact in an ecosystem?

Organisms display a wide array of adaptations that help them avoid becoming prey called ____________ _______________.

Organisms have many kinds of adaptations that help them avoid becoming prey. Ex: The smelly spray of a skunk helps keep its predators at a distance.

Defense Strategy: Prey will display a convincing resemblance to another animal to trick would-be predators into staying away.

Defense Strategy: Prey will roll itself up so it has a protective outer layer to keep predators at a distance.

Defense Strategy: EX: A moth is a dark forest, might have large false eyespots on their wings to scare potential predators away.

Defense Strategy: EX: A walking leaf insect might hide on a leaf so a predator might be fooled into looking elsewhere for a meal.

Defense Strategy: Brightly colored animals have warning colors to warn predators not to eat it because they are poisonous. Ex: Red eyed tree-frog and a grasshopper (brightly colored).

Adaptations that help predators catch their prey are called _________ ______________.

1. Big eyes of an owl that help it catch its prey 2. Sundew on a sticky bulb of a plant that helps it snare a fly while the plant digest it.

The tick is a parasite living inside a human. The tick benefits from the human's blood. The human is losing blood and may even get Lyme's disease from the tick. The human is the host.

Figure 18--Parasitism Explain how the two organisms are affected. Ex: A Tick feeding on the blood of a human

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Chapter 1-3 Science

6th Grade Study Cards

Term	Definition
natural selection	A characteristic that makes an individual better suited to its environment may eventually become common in that species through this process.
adaptations	the behaviors and physical characteristics that allow organisms to live successfully in their environments.
niche	The role of an organism in its habitat, or how it makes living.
competition	The struggle between organisms to survive as they attempt to use the same limited resource.
predation	An interaction in which one organism kills another for food.
predator	The organism that does the killing.
prey	The organism that is killed.
Symbiosis	A close relationship between two species that benefit at least one of the species.
Mutualism	A relationship in which both species benefit
Commensalism	A relationship in which one species benefits and the other species is neither harmed nor helped.
Parasitism	Involves one organism living on or inside another organism and harming it.
parasite	The organism that benefits from the host.
host	The organism that a parasite lives on.
1.Competition 2. Predation 3. Symbiosis	What are the three major ways organisms interact in an ecosystem?
Defense Strategies	Organisms display a wide array of adaptations that help them avoid becoming prey called ____________ _______________.
Prey adaptations	Organisms have many kinds of adaptations that help them avoid becoming prey. Ex: The smelly spray of a skunk helps keep its predators at a distance.
Mimicry	Defense Strategy: Prey will display a convincing resemblance to another animal to trick would-be predators into staying away.
Protective covering	Defense Strategy: Prey will roll itself up so it has a protective outer layer to keep predators at a distance.
False Coloring	Defense Strategy: EX: A moth is a dark forest, might have large false eyespots on their wings to scare potential predators away.
Camouflage	Defense Strategy: EX: A walking leaf insect might hide on a leaf so a predator might be fooled into looking elsewhere for a meal.
Warning Coloring	Defense Strategy: Brightly colored animals have warning colors to warn predators not to eat it because they are poisonous. Ex: Red eyed tree-frog and a grasshopper (brightly colored).
Predator Adaptations	Adaptations that help predators catch their prey are called _________ ______________.
Predator Adaptations	1. Big eyes of an owl that help it catch its prey 2. Sundew on a sticky bulb of a plant that helps it snare a fly while the plant digest it.
1. Mutualism 2. Commensalism 3. Parasitism	Name three types of symbiosis
The tick is a parasite living inside a human. The tick benefits from the human's blood. The human is losing blood and may even get Lyme's disease from the tick. The human is the host.	Figure 18--Parasitism Explain how the two organisms are affected. Ex: A Tick feeding on the blood of a human

Created by: dsimmons

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