BR3 "Living Together Totally"

What are the main ideas of the text?

• Symbiosis is a type of relationship where one smaller partner benefits from a larger partner. The smaller partner usually nibbles on the larger partner or eats its food.

• Symbiosis is a relationship that allows partners to work together to keep one another safe. The smaller partners stay close to the larger partners to avoid predators.

• Animals and plants sometimes work together in relationships called symbiosis. In some relationships, only one partner benefits, but in others, both partners benefit.

• Animals and plants use relationships called symbiosis to get all the nutrition they need to live. In many of these relationships, neither partner would be able to live without the other.

Tags

CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RL.4.2

CCSS.RL.5.2

CCSS.RL.6.2

Which choice is an example of a symbiont that helps its host?

• fungi

• remora

• tapework

• tick

Why do trees and corals depend on symbiosis to live?

• Symbiosis provides them with the food and nutrients they need to grow.

• Symbiosis removes waste that can cause damage to their roots.

• Symbiosis helps them use the power of the sun to gather more nutrients.

• Symbiosis protects them from animals that might eat them.

What can the reader infer about sunfish based on paragraph 1?

• Sunfish have partnerships with many types of animals.

• Sunfish are angry about the sea lice on their skin.

• Sunfish do not mind the seagulls pecking at their skin.

• Sunfish float at the surface of the ocean often.

Tags

CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RI.6.2

CCSS.RL.5.2

CCSS.RL.6.2

What does the author mean by the phrase "hitch a ride" in paragraph 4?

• Remoras go where sharks go because they are joined together.

• Remoras follow behind sharks in order to get places faster.

• Remoras swim in large groups with sharks because it is safer.

• Remoras move like sharks to get to their food more quickly.

Tags

CCSS.RI.4.4

CCSS.RI.5.4

CCSS.RI.6.4

CCSS.RL.5.1

CCSS.RL.5.4

Which quotation from the text supports the inference that there are more examples of symbiosis than those listed in the text?

• "Sharks are fearsome predators, but there's one fish that isn't afraid to get close to them. Remoras are shark tag-alongs."

  (paragraph 4)

• "There are many cleaners around who make a living by eating other animals' parasites."

  (paragraph 6)

• "Of course, some guests aren't so welcome. A parasite is a kind of symbiont that harms its host, usually by nibbling on it or stealing its food."

  (paragraph 7)

• "Parasites can't live without their hosts- but their hosts would be very happy to live without them."

  (paragraph 8)

Tags

CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RI.6.2

CCSS.RL.5.2

CCSS.RL.6.2

Part A:

What does the word pollution mean as it is used in paragraph 10?

• creatures that cause damage

• creatures that dig underground

• materials that cause harm

• materials that taste good

Tags

CCSS.RI.5.4

CCSS.RI.6.4

CCSS.RL.4.4

CCSS.RL.5.1

CCSS.RL.5.4

Part B:

Which quotation from paragraph 10 BEST supports the answer to part A?

• "...some of its sugar."

• "...insects and cows..."

• "...breaking down poisons..."

• "...get to the roots."

Tags

CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RI.6.2

CCSS.RL.4.2

CCSS.RL.5.2

Which TWO choices tell why sea lice are parasites instead of predators?

• Sea lice feed on the sunfish but do not cause extreme harm.

• Sea lice prey on other ocean life in addition to the sunfish.

• Sea lice only steal some food from the sunfish but not all of it.

• Sea lice only attach to the sunfish for a short period of time.

• Sea lice are very tiny and will never grow bigger than the sunfish.

Tags

CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RL.4.1

CCSS.RL.5.1

CCSS.RL.5.2