Living Environment Regents Review

A vaccine contains...

• cow pox

• a small amount of the pathogen that is weakened or dead

• a large amount of the pathogen

• small pox

Disease-causing microorganism, such as a bacterium or virus.

• pathogen 
• allergen
• prion 
• antigen 

Caffeine is a compound found in the seeds of many different plants, such as coffee beans, cola nuts, and cacao beans (the source of chocolate). The presence of this chemical in all three types of plants suggests that these plants

• inherited identical mutations
• share a common ancestry
• were exposed to the same type of radiation in the past 
• were cloned from a caffeine plant

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NGSS.HS-LS4-1

The corn we eat today is larger and has more kernels than the corn people first grew thousands of years ago. Which process is most likely responsible for the changes that have occurred? 

• mitosis
• direct harvesting
• succession
• selective breeding

Which substance is an inorganic molecule?

• water
• starch
• DNA
• fat

The technique used to separate the DNA for analysis is 

• genetic engineering
• chromatography
• electrophoresis
• protein synthesis

This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. 

• experimental group
• control group
• data
• variables

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A __________ includes all living and non-living things in an environment. 

• population
• niche
• abitotic
• ecosystem

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Which group do fungi, bacteria, and termites belong to?

• decomposers
• producers
• herbivores
• omnivores

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Which organism make their own food through the process of photosynthesis? 

• decomposer
• consumer
• herbivore
• producer 

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NGSS.HS-LS1-5