Living Things and Life Processes

These flashcards cover key concepts related to living organisms, their life processes, as well as basic information about organs, tissues, and their functions.

What are the seven life processes that determine if something is a living organism?

Move, reproduce, grow, need nutrition, respire, excrete waste, sense things.

What does the term 'ka' refer to in Ancient Egyptian beliefs?

It refers to the 'life force' contained within living things.

In what way do human organs vary in function?

Each organ has a specific function, such as pumping blood, absorbing nutrients, or excreting waste.

Name one characteristic that differentiates how animals and plants move.

Most animals move from place to place, while many plants move parts of themselves.

What do humans and many living things need in order to respire?

Oxygen and food.

What is respiration in living organisms?

A process to release energy for use.

What is the main organ responsible for pumping blood around the body?

The heart.

What do chloroplasts do in plant cells?

They make food for the plant through photosynthesis.

Name the process that produces food for plants.

Photosynthesis.

What role does xylem tissue play in plants?

It carries water from the roots to the rest of the plant.

What is a tissue?

A group of cells of the same type working together.

How do animal cells differ from plant cells?

Animal cells lack cell walls and chloroplasts, whereas plant cells have both.

What is an organ system?

A group of organs that work together to perform a specific function.

What is the function of the kidneys in the urinary system?

They clean the blood and produce urine to excrete wastes.

Which organ in the digestive system breaks up food?

The stomach.

What is the largest organ in the human body?

The skin.