Science Exam 1st Quater 2021

Choose the letter of the answer that best completes that statement or answers the questions.

      While visiting the Galapagos Island, Darwin noticed that a tortoise´s color and shell shape

•     Were associated with abandoning of eggs.

•     Were linked to the island they came from.

Choose the letter of the answer that best completes that statement or answers the questions.

  What is a stimulus?

•    Response

•       Action

• Reaction

Choose the letter of the answer that best completes that statement or answers the questions.

   Traces of organisms that once lived are called

•    Adaptations

•   Fossils

•      Mutations

Choose the letter of the answer that best completes that statement or answers the questions.

    Most often, the only parts of an organism that becomes fossilized are its

•       Shell, bones, or teeth

•     Lungs

• Muscles.

Write the correct vocabulary word to complete each definition.

NATURAL SELECTION, STRUCTURAL ADAPTATION, POPULATION

The idea that those organism best adapted to their environment will be the one most likely to survive and reproduce. (a)  

Write the correct vocabulary word to complete each definition.

NATURAL SELECTION, STRUCTURAL ADAPTATION, POPULATION

Adaptation that involves body parts or color (a)   .

Write the correct vocabulary word to complete each definition.

NATURAL SELECTION, STRUCTURAL ADAPTATION, POPULATION

All the organisms of one space that live in a certain place (a)   .

Write T or F on the on the line before each statement.

     (a)   A mutation is helpful if it improves the chances for survival of the species.

Write T or F on the on the line before each statement.

    (a)   Animals are the only kinds of organisms that respond to stimuli.

Write T or F on the on the line before each statement.

(a)   Plants respond to light by growing toward it.