Biodiversity and human impacts

Which is the most direct way in which biodiversity can provide a source of income?

• Agriculture
• Medicine
• Ecotourism
• Research

Which of the following is an example of a method for managing whole ecosystems and habitats?

• Captive breeding
• mapping biodiversity hotspots
• cloning
• species survival plans

Species richness generally increases toward the poles.

• True
• False

The sum total of all organisms in an area, taking into account the variety of species, their genes, their populations, and their communities, is called  

• genetic diversity
• species diversity
• biodiversity
• ecosystem diversity

Tags

NGSS.MS-LS2-5

The differences in DNA among individuals within species and populations is called .

• species diversity
• genetic diversity
• ecosystem diversity
• general diversity

Tags

NGSS.MS-LS4-4

The process of raising organisms in controlled conditions, such as zoos and botanical gardens, is called 

• Keystone species
• Invasive species
• captive breeding
• mass extinction

Globally, the number one cause of loss of biodiversity is

• invasive species
• poaching and overharvesting
• pollution
• habitat loss or change

Which of the following describes an organism that is found in one place and nowhere else in the world?

• Endangered
• Threatened
• Conserved
• Endemic

Which of the following could potentially have global, not just local effects on biodiversity?

• invasive species
• pollution
• habitat loss
• climate change

Tags

NGSS.MS-LS2-5

A region that includes tigers, eagles, lizards, fish, rabbits, and many other types of organisms would be described as having a high level of

• genetic diversity
• species diversity
• taxonomic diversity
• ecosystem diversity