Animals Including Humans

What I Should Already Know

  • Invertebrates have backbones.

  • There are 5 types: mammals, birds, fish, reptiles and amphibians

  • Some animals are suitable pets but others are not.

  • Some animals give birth to live young; others lay eggs.

  • Animals need food, water, sleep and air to survive

  • Animals have life cycles that vary from birth to death

  • Carnivores eat meat, herbivores eat plants. Omnivores eat both.

  • Humans have organs which are specialised to do different jobs.

The Human Life Cycle

You have already learned what a life cycle is in Year 2. If you have forgotten about them, click here to find out more!

Just like other animals, humans have a life cycle that we follow. It begins with a fertilised egg and ends with old age and death. Along ther way, there are many events that happen too.

Learn the life cycle below

Gestation and Foetal Growth

Humans have a gestation period of around 40 weeks. This means that females are pregnant and a baby grows in the womb for that amount of time. Before a baby is born, it is known as a foetus (pronounced feetus). There are several stages to foetal frowth. Learn about them below.



Some Vocabulary to Learn

Word

What Does it Mean?

Adolescent

The process of developing from a child to an adult.

Adult

A person who is fully grown or developed.

Child

A young adult below the age of puberty.

Foetus

The unborn offspring of a mammal.

Gestation

The process or period of developing inside the womb between conception and birth.

Life Expectancy

The average age an animal can expect to live to.

Offspring

An animal’s children/young.

Puberty

The period at which adolescents become capable of reproduction.

Reproduction

The production of offspring by a sexual or asexual process.

Think you know it all? Take the quiz!