Ecology Test #2 Review

The process of plants losing water through their leaves is called ____.

• condensation
• evaporation
• transpiration
• exhaling

Why do living things need nitrogen?

• To get energy

• To make amino acids

• To make proteins

• To make proteins AND amino acids

What is the only process that removes carbon from the atmosphere?

• combustion
• cellular respiration
• photosynthesis
• decomposition

What converts nitrogen into a useable form for plants and animals?

• bacteria
• fungi
• rain

The nitrogen found in the atmosphere is not in a form that plants or animals can use.  What converts it into a usable form?

• Bacteria
• Photosynthesis
• Decomposition of organisms
• Fungi

What is the process of water droplets or ice crystals falling from the sky?

• evaporating
• condensing
• precipitating
• runoff

How do animals get the nitrogen they need?

• From the air they breathe

• From the water they drink

• From the food they eat

• From the sun

Which of the following puts an enormous amount of carbon in the atmosphere?

• photosynthesis

• burning fossil fuels

• cellular respiration

• decomposition

What is ecological succession?

• A slow change in an environment
• A change that takes days in an environment
• No change
• Abiotic change

A pioneer species is...

• a large organism
• the first organisms to adapt to a new environment 
• The best organism 
• Abiotic organisms