BCA 4th Grade Science: Structure and Function

These structures have a particular function that helps the animal or plant to do what?

• survive

• grow

• reproduce

• all the above

We discussed two main types of structures on animal and plants. (Select two)

• living structures

• external structures

• open structures 

• internal structures

Structures on the outside the body of the animal or plant are called ______?

• outside structures

• inside structures

• external structures

• internal structures

Structures on the inside of the body of a animal or plant are called ________?

• inside structures

• outside structures

• external structures

• internal structures

Discussion Question: How do rabbits ears help them to survive?

Answer explanation

Rabbits ears can help them survive by swiveling or moving independently to help them hear sound from all directions. This will help them hear if a predictor is coming. Another function the rabbit's ear can do is regular its temperature on hot and cold days.

Discussion Question: What is the function of the pits on a ball python?

Answer explanation

The pits on a ball python are use to help them sense heat roughly a meter away. This function would be helpful to the snake to find its prey, hide from a predictor or find warm place to lay in the sunlight.

How can the structure of a seed help with seed dispersal?

Answer explanation

These types of seeds are shaped to catch the wind so that the wind can help disperse them.

Discussion Question: What do you think the function of a wolfs acute smell it?

Answer explanation

The functions of the wolf's acute smell is used to help them find food, get away from predictors and find other members of their pack. 

What are some ways elephants uses its trunk?

• to suck up water and squirt it in its mouth

• to pick up things like food

• to make noises and communicate

• as a snorkel when swimming

What are some ways an elephant can use its tusk?

• to dig for water

• to fight

• to help them carry things