Characteristics of Life
Which is biotic?
dead leaf
Which is one of the five characteristics of life?
growing and developing
Which term best describes an organism that can contain up to five levels of organization to carry out life functions?
multicellular
Responding to the environment by maintaining a stable internal environment despite changing external conditions is
homeostasis
Which characteristic of life best describes the process of homeostasis?
responding to the environment
How were Redi's and Pasteur's experiments similar?
Both tested the idea of spontaneous generation.
What was shown by both Redi's and Pasteur's experiments?
Living things only come from other living things.
Living organisms share certain characteristics of life. Two living organisms, a pine tree and a sea urchin, are pictured below. Which statement describes a difference in one of the characteristics of life shared by these organisms?
One of the organisms gets energy from the sun, the other does not.
Which is biotic?
beeswax
The excretions of living organisms are best categorized as which type of factor in an environment?
biotic
Which pair of terms best describes a wooden table?
biotic and nonliving
Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?
cell, tissue, organ, organ system, organism
Sweating and panting are examples of which characteristic of life?
responding to the environment
When listing the levels of organization in organisms from smallest to most complex, which level is just below organs in complexity?
tissue
Which characteristic of life best describes the process of photosynthesis?
using energy
