Central Idea Practice

Front

What is a product code system?

Back

A product code system is an effective retail system that uses bars and numbers on product labels to identify the manufacturer and specific product details, allowing for efficient pricing and inventory management.

Front

What are some uses of peanuts?

Back

Peanuts are used for roasting, making peanut butter, producing oil for frying and industrial uses, and even their shells are used for plastics and fertilizers.

Front

How do animals protect themselves?

Back

Animals have various defense strategies, such as camouflage (like a fawn's spots), mimicry (like the viceroy butterfly), bluffing (like the hognose snake), and playing dead (like the opossum).

Front

What does the hognose snake do when threatened?

Back

The hognose snake hisses, acts as if it will bite, and if not scared away, it 'plays dead' by rolling over on its back and appearing distressed.

Front

How can we protect trees from deer?

Back

Selenium can be used to protect trees from deer by producing a bad smell when dissolved, which keeps deer away until the trees are fully grown.

Front

What is the role of a computer in retail?

Back

Computers in retail help find prices for products based on product codes and allow store owners to change prices and track sales records.

Front

What is the significance of the bad smell produced by selenium?

Back

The bad smell produced by selenium acts as a deterrent for deer, preventing them from damaging young pine trees.

Front

What is camouflage in animals?

Back

Camouflage is a defense mechanism that allows animals to blend in with their environment, making it harder for predators to spot them.

Front

What is mimicry in the animal kingdom?

Back

Mimicry is when one species evolves to resemble another species to avoid predation, as seen with the viceroy butterfly mimicking the monarch.

Front

What happens when turtles feel threatened?

Back

When turtles feel threatened, they hide in their shells until they feel it is safe to come out.