4th Grade ELA A20

Part A

1. What does the word "carnivores" mean in the sentence?
   "Dolphins are carnivores, which means they eat only meat."

• 1. Animals that eat plants

• 1. Animals that eat both plants and meat

• 1. Animals that eat only meat

• 1. Animals that eat fish

Part B
Which statement from the article best supports the answer to Part A?

• "Dolphins hunt in groups, using a technique called 'herding' to trap schools of fish."

• "Dolphins also enjoy swimming in the surf near the shore."

• "Dolphins can dive to great depths in search of food."

• "Dolphins are known to be very efficient hunters, often catching large quantities of food each day."

Part A
What is the most supported statement about the dolphins' communication?

• Dolphins use a variety of sounds, including clicks and whistles, to communicate.

• Dolphins can communicate through body movements alone.

• Dolphins communicate with other sea creatures through song.

• Dolphins are silent and do not communicate.

Part B
Which phrase from the article best supports the answer to Part A?

• "Dolphins use a variety of sounds, including whistles and clicks, to communicate with each other."

• "They can hold their breath for several minutes while underwater."

• "Dolphins are known to live in a wide variety of habitats."

• "Dolphins are recognized for their ability to learn new tasks."

How do scientists study dolphins without disturbing them?

• By observing dolphins from boats at a distance

• By using new technologies that allow researchers to observe them naturally

• By capturing dolphins and studying them in captivity

• By watching them only during their hunting periods

What are some of the main threats to dolphin populations?

• High temperatures in the ocean

• Pollution, fishing nets, and habitat destruction

• Lack of food sources in the ocean

• Overhunting by humans