Ch 1 - The science of biology

Which of the following are characteristics of all living things (used by scientists to define life)?

-Respond to stimuli -Capable of growth and reproduction -Possess hereditary molecules that are passed to their offspring

What is emergent property?

An emergent property is a distinctive feature that an entity acquires after becoming a part of a larger system.

In order to maintain an organized body structure, all organisms need an input of which of the following?

Energy

Microscopic structures within cells that are specialized to carry out specific functions are called which of the following?

Organelles

Which of the following groups contain organisms that are multicellular?

Plants Fungi Animals

Which of the following is an example of an emergent property?

The human heart pumps blood throughout the body.

_____are groups of similar cells that act as a functional unit.

Tissues

Which of the following organisms are unicellular?

bacteria

A _____, which is the basic unit of life, is surrounded by a membrane and contains macromolecules, often organized into organelles

cell

Place the following levels of organization of living things in the correct order, starting with the least inclusive at the top.

molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.

organelles are composed of?

molecules

A(n)_____ is a grouping of tissues that forms a distinct structure (for example, a heart), which performs a specialized task.

organ