Reading Explorer 1 Unit 3 Vocab (1-3)

Match the following

• something that helps you succeed

• special

• to help

• assist

• clever

• smart

• a way of doing something

• advantage

• better or more important than others

• method

Orangutans and humans are __1__ in some ways. Both are very __2__ animals. For example, to stay dry when it rains, orangutans take leaves from trees and use them like umbrellas. These apes don't have a complex language __3__ like humans do. But today, some orangutans are learning basic sign language to express their thoughts and __4__. New research also suggests that orangutans can __5__ about the past just like humans.

• system

• alike

• intelligent

• communicate

• feelings

What is the ____ between a dolphin and a porpoise?

• different

• difference

• differance

The fact that apes use tools shows that they have great ____.

• intelligent

• intelligence

• intelligance

Whales will often give ____ to other whales that are in danger

• assist

• assistance

• assistence

Match the following

• round

• shape

• animal

• survive

• better or stronger

• creature

• live

• develop

The ____ of whales is connected to the health of the ocean.

• survive

• survivor

• survival

These plants cannot ____ in very cold conditions.

• survive

• survivor

• survival

The plane crash had only one ____.

• survive

• survivor

• survival

Reef squid - like their relatives, octopuses - have an amazing __1__: They can quickly change their physical __2__ in order to __3__ from predators. They can also use this skill to send messages; they can even __4__ two messages at the same time! For example, a male reef squid swimming near a female squid can create colorful, attractive __5__ on the side of its body closest to the female. On the other side, it shows black and white lines that tell other male squid to stay away.

• hide

• produce

• ability

• patterns

• appearance