Unit 1 Review

The basic unit of structure and function for the body.

• cell
• atom
• organelle
• nucleus

Which of the following is the correct order of organization in living things from most basic (simple) to most complex?

• a.  Organism, cell, tissue, organ, organ system
• a.  Organ system, organ, tissue, cell, organism
• a.  Cell, tissue, organ, organ system, organism
• a.  Cell, organ, tissue, organ, organism, organ system

A science class is planning a field trip to a local farm that has a large pond. Which of the following lists the order of biological organization from smallest to largest that the students can expect to find at the pond?

• Population, organism, community, ecosystem

• Organism, community, population, ecosystem

• Organism, population, community, ecosystem

• Population, organism, ecosystem, community

What is an organ?

• Groups of similar types of cells that work together to carry out a specific task

• Groups of different tissues working together to perform a particular job

• Groups of different organs working together to complete a series of tasks

• The smallest unit of life

Multiple organisms of the same species describes a

• organism
• population
• community
• ecosystem

How is commensalism different from mutualism?

• In commensalism, one species benefits while the other is unharmed; in mutualism, both species benefit

• In commensalism, one species is harmed while the other benefits; in mutualism, both species benefit

• In commensalism, neither species is harmed; in mutualism, one species is harmed

• In commensalism, both species benefit; in mutualism, one species is harmed

When a honeybee pollinates flowers, the bee gets access to nectar, while the flowers gain the chance to reproduce. This is an example of:

• Amensalism

• Commensalism

• Parasitism

• Mutualism

Remoras are fish that swim alongside sharks, eating scraps that the sharks leave behind. This is an example of:

• Amensalism

• Commensalism

• Parasitism

• Mutualism

Hermit Crabs live in shells made and then abandoned by snails.

• Commensalism

• Parasitism

• Competition

A tick and a dog have this type of relationship.

• mutualism
• commensalism
• neutralism
• parasitism