Question

1. identify the three types of symbiosis. then, using the symbols (+) for positive, (-) for negative, and (0) for neutral, describe what each organism gets out of each relationship. provide an example of each type.

type of symbiotic relationship	definition	use (+) (-) and (0) to show what each organism gets out of the relationship	provide an example of each type of symbiosis

1. list some limiting factors that might limit the size of a population within its environment.

Explanation:

To solve this, we analyze each symbiotic relationship:

1. Mutualism

• Definition: A symbiotic relationship where both organisms benefit.
• Symbolic Representation: (+, +) (both organisms have a positive outcome).
• Example: Bees and flowers. Bees get nectar (food, +) to make honey, and flowers get pollinated (help in reproduction, +) so they can produce seeds.

2. Commensalism

• Definition: A symbiotic relationship where one organism benefits, and the other is neither helped nor harmed.
• Symbolic Representation: (+, 0) (one organism benefits, the other is neutral).
• Example: Barnacles on whales. Barnacles get a place to attach and be transported to new food sources (+), while whales are unaffected (0) by the barnacles.

3. Parasitism

• Definition: A symbiotic relationship where one organism (the parasite) benefits at the expense of the other (the host), which is harmed.
• Symbolic Representation: (+, -) (the parasite benefits, the host is harmed).
• Example: Ticks on dogs. Ticks get blood (food, +) from the dog, and the dog may experience discomfort, disease, or blood loss (-).

Now, we can fill the table:

Type of Symbiotic Relationship	Definition	Use (+) (-) and (0) to show what each organism gets out of the relationship	Provide an example of each type of symbiosis
Commensalism	A relationship where one organism benefits, and the other is neither helped nor harmed.	(+, 0)	Barnacles on whales (barnacles benefit, whales are neutral)
Parasitism	A relationship where one organism (parasite) benefits, and the other (host) is harmed.	(+, -)	Ticks on dogs (ticks benefit, dogs are harmed)

Answer:

To solve this, we analyze each symbiotic relationship:

1. Mutualism

• Definition: A symbiotic relationship where both organisms benefit.
• Symbolic Representation: (+, +) (both organisms have a positive outcome).
• Example: Bees and flowers. Bees get nectar (food, +) to make honey, and flowers get pollinated (help in reproduction, +) so they can produce seeds.

2. Commensalism

• Definition: A symbiotic relationship where one organism benefits, and the other is neither helped nor harmed.
• Symbolic Representation: (+, 0) (one organism benefits, the other is neutral).
• Example: Barnacles on whales. Barnacles get a place to attach and be transported to new food sources (+), while whales are unaffected (0) by the barnacles.

3. Parasitism

• Definition: A symbiotic relationship where one organism (the parasite) benefits at the expense of the other (the host), which is harmed.
• Symbolic Representation: (+, -) (the parasite benefits, the host is harmed).
• Example: Ticks on dogs. Ticks get blood (food, +) from the dog, and the dog may experience discomfort, disease, or blood loss (-).

Now, we can fill the table:

Type of Symbiotic Relationship	Definition	Use (+) (-) and (0) to show what each organism gets out of the relationship	Provide an example of each type of symbiosis
Commensalism	A relationship where one organism benefits, and the other is neither helped nor harmed.	(+, 0)	Barnacles on whales (barnacles benefit, whales are neutral)
Parasitism	A relationship where one organism (parasite) benefits, and the other (host) is harmed.	(+, -)	Ticks on dogs (ticks benefit, dogs are harmed)