Living Things: Characteristics of Life
Which examples demonstrate responses to stimuli? A Venus flytrap closes on a fly. Large amounts of bacteria are present in a soil sample. A plant grows toward the sunlight. A rabbit has both white and black fur. Bright lights cause a baby to blink.
A Venus flytrap closes on a fly. A plant grows toward the sunlight. Bright lights cause a baby to blink.
Which statements accurately describe cells? - All organisms are made up of cells. - Cells only make up unicellular organisms. - Cells are the smallest unit of life. - Both unicellular and multicellular organisms are made up of cells. - A mouse is a unicellular organism made up of one cell.
All organisms are made up of cells. Cells are the smallest unit of life. Both unicellular and multicellular organisms are made up of cells.
the ability to do work and allows living things to perform all the functions necessary to live
Energy
Which statement accurately describes homeostasis? - Homeostasis is a factor in the environment that creates a response. - Homeostasis is the number of cells in an organism, such as a unicellular or multicellular organism. - Homeostasis is a place that can provide shelter to different organisms. - Homeostasis is the maintenance of a stable internal environment despite changing external conditions.
Homeostasis is the maintenance of a stable internal environment despite changing external conditions.
What do bacteria and giraffes have in common?
They both grow and develop.
Which is true about all unicellular and multicellular organisms? They are made of one cell. They reproduce. They cause infections. They are made of multiple cells.
They reproduce.
Which are characteristics of all living things? are made of cells need energy can breathe respond to stimuli can reproduce grow and develop
are made of cells need energy respond to stimuli can reproduce grow and develop
All organisms are made up of ______, the basic unit of structure and function.
cells
Which accurately describes development? changing while growing growing larger over time decreasing the number of cells increasing the sizes of cells
changing while growing
What does food provide to organisms?
energy
One of the five characteristics of life is the need for energy. Which of the four basic needs meets this need?
food
All living things: reproduce by cloning. grow. need energy. respond to stimuli. are unicellular. are made of cells.
grow need energy respond to stimuli are made of cells
Juliana was born at 7 pounds 3 ounces and now weighs 28 pounds. Which characteristic of life does this change display? responding to stimuli maintaining homeostasis growing and developing being made of cells
growing and developing
Most animals produce offspring through mating, but some organisms reproduce by cloning. What is cloning?
the process of producing an organism that is genetically identical to the organism from which it was produced
A plant is left in a protected greenhouse that pumps in fresh carbon dioxide. The plant also has access to sunlight and can make its own sugar. However, the plant is beginning to die. What is most likely missing? water air multiple cells a place to live
water
All living things have four basic needs to live and function. List these four needs.
water, air, food, place to live
