Biodiversity

Biodiversity

Which side looks like it has more life?

Biodiversity

• Biodiversity is the amount of variation

of life on Earth

• Ecosystem diversity – different types of

ecosystems means different types of
habitats

• Species diversity – variety of species

within an ecosystem. This causes an
increase in producers to give more energy
for consumers

Which one is more biodiverse?

Sustainability

• Sustainability is an ecosystem’s ability

to keep stable conditions during or
after disruptions

• An ecosystem with more species has

more biodiversity and a better health

• Biodiversity = sustainability

• Healthy ecosystems are better are

handling fires, floods, droughts, and
diseases

Threats to Biodiversity

• Climate change
• Pollution
• Habitat loss
• Overfishing/Overhunting
• Invasive species

Invasive species

• Any species that is not from that environment that overpopulates and overeats.

• They are introduced into their new

environment by ships, accidental
release, or by people bringing food or
animals.

How the invasive lionfish hurts a food web

Check for Understanding

1. How does overfishing affect biodiversity? How does it affect the

stability of an ecosystem?

2. How does pollution affect biodiversity?

Thursday Activities

• Complete the notes!