biological
About living things like animals, plants, or humans.
Connected with living organisms and their life processes.
Being someone's family because you were born into it, not adopted or married in.
Connected to someone by birth rather than by adoption or marriage.
Using living things or parts of them to make something or do a job.
Involving the use of living organisms or their products in industrial, medical, or scientific processes.
- Base: biological
biological clock
1internal timing system in organisms
The body's natural system that controls when you sleep, wake, or can have children.
- Jet lag happens when your biological clock is out of sync.
- Some people feel pressure from their biological clock to have children before a certain age.
biological warfare
1war using harmful organisms as weapons
Using bacteria, viruses, or other living things to hurt people in war.
- International law prohibits biological warfare.
- Biological warfare can cause widespread illness and death.
biological diversity
1variety of life forms in an area
The number of different plants and animals in a place.
- Rainforests have high biological diversity.
- Protecting biological diversity is important for the planet's health.
biological diversity
2variety of living things in nature
The different kinds of plants, animals, and other life in a place or on Earth.
- Protecting biological diversity is important for the planet's health.
- Biological diversity helps ecosystems recover from change.