Energy and Trophic Levels
Reproduction
Environmental change and population
Natural selection
Vocabulary
100

What is a producer?

An organism that makes it's own food

100

What is the process by which living things produce offspring?

Reproduction

100

This term refers to the increase in the number of people living in a particular area over time.

Population growth

100

What is the process called where animals or plants better adapted to their environment survive and reproduce

What is natural selection?

100

The basic physical and functional unit of heredity made up of DNA

Gene

200

What trophic level are plants in?

1st

200

what type of reproduction involves only one parent and produces genetically identical offspring?

Sexual reproduction

200

As population increases, this natural resource often becomes scarce due to higher demand.

What is water?

200

When people choose animals or plants to have babies with certain traits, what is this called?

What is artificial selection?

200

The sum of all living matter on earth

Biosphere

300

What do you call animals that eat's only plants?

Herbivores

300

What is the name of the male reproductive cell in animals?

What is a sperm?

300

This process occurs when urban areas expand due to increasing populations, often leading to loss of wildlife habitats.

What is urbanization

300

What do we call the physical features or qualities an animal or plant has?

What are traits

300

a community of organisms and their physical environment interacting together

Ecosystem

400

How much energy is passed from one trophic level to the next?

10%

400

In humans, where does fertilization usually take place?

Fallopian tube.

400

This environmental issue is worsened by both population growth and deforestaion, contributing to climate change.

What is increased carbon emissions.

400

What is an example of a trait that can be chosen in artificial selection

What is size, color, or taste?

400

A diagram that shows the total amount of energy contained within each trophic level

Energy Pyramid

500

In a trophic pyramid, why is there typically less biomass. mat higher trophic levels compared to lower ones?

Because energy decrease at each trophic level, supporting fewer organism and less biomass at higher level.

500

What is term for development of a new organism from a fertilized egg??

Emprynotic development

500

This demographic economic concept explains how population growth can slow down as countries develop and improve living standards,impacting environmental pressures.

What is the demographic transition model?

500

Why do farmers use artificial selection on plants and animals?

What is to get better crops or animals?

500

A Type of sexual reproduction in which cell divides to form gametes with half the number of chromosomes as the parent cell

Meiosis