9th Grade Honors Biology Unit 1 Characteristics of life

A _____ is something in the environment that causes an organism to respond. a. stimulus b. response c. cause d. effect

a. stimulus

For single-celled organisms, _____ is mostly an increase in size. Multicellular organisms go through a process called __________, where cells divide and differentiate into different kinds of cells. a. Evolve, respond to stimulus b. Expansion, progress c. Growth, development d. Production, evolution

c. Growth, development

In all of our cells there is a blueprint of life called DNA. Which characteristic does this fact best describe? a. Living things respond to their environment. b. Living things maintain internal balance. c. Living things are based on a universal genetic code. d. Living things grow and develop

c. Living things are based on a universal genetic code.

What is the process of becoming larger by adding cells and/or by increasing cell size? a. Organization b. homeostasis c. growth d. reproduction

c. growth

What is the ability to maintain a stable internal environment? a. response to stimuli b. organization c. homeostasis d. growth

c. homeostasis

Before a big soccer game Charlie always eats and metabolizes a big dinner. Which characteristic of life does this fact best describe? a. Living things respond to their environment b. Living things grow and develop c. Living things reproduce d. Living things use energy

d. Living things use energy

How is the composition of an organ best described? a. one type of cell b. one type of tissue c. similar type of cells d. different type of tissues

d. different type of tissues

When living things make and use energy that is called: _______________ a. homeostasis b. virus c. lytic infection d. metabolism

d. metabolism

The dismissal bell rings and you pack up your belongings. In this scenario, what is the stimulus? a. The bell ringing b. You packing up your belongings c. More information is needed

a. The bell ringing

Maintaining a stable internal environment is called a. homeostasis b. equilibrium c. balance d. evenness

a. homeostasis

Multicellular means a. made of many cells b. made of one kind of cell c. made of only one cell

a. made of many cells

What is having specialized structures with specialized functions? a. organization b. homeostasis c. organism d. multicellular

a. organization

Which of these is a characteristic of ALL living things? a. respond to external stimuli b. absorb complex food molecules c. produce offspring by means of sexual reproduction d. use energy to actively move through the environment

a. respond to external stimuli

Organisms, such as bacteria, are ______________ which means they consist of only a single cell. a. unicellular b. multicellular c. autotrophic d. heterotrophic

a. unicellular

Which statement correctly explains why the labeled structures are organs? a. All structures perform the same function b. Each structure consists of different tissues c. All structures consist of the same tissue d. Each structure is composed of only one cell type

b. Each structure consists of different tissues

How does a tree get energy? a. It does not need energy. b. It gets energy from the Sun. c. It eats food in its environment. d. It gets energy from an electrical power source.

b. It gets energy from the Sun.

Which is NOT a characteristic of life? a. adaptation b. breathing c. homeostasis d. reproduction

b. breathing

A cat is an organism that has a respiratory system that contains lungs and a trachea. a. All living things contain cells b. All living things maintain homeostasis c. All living things have different levels of organization d. All living things grow

c. All living things have different levels of organization

When you step out into the cold, your body shivers in order to keep its temperature at 98.6F. a. All living things use energy b. All living things contain cells c. All living things maintain homeostasis d. All living things grow

c. All living things maintain homeostasis

When the level of sugar in the blood is too high, the excess sugar is stored in the muscle to be used later as needed. Which characteristic of life is described here? a. Ability to evolve b. Response to environment c. Maintaining an internal balance d. Use of energy

c. Maintaining an internal balance

When the level of sugar in the blood is too high, the excess sugar is stored in the muscle to be used later as needed. Which characteristic of life is described here? a. Ability to evolve b. Response to environment c. Maintaining an internal balance d. Use of energy

c. Maintaining an internal balance

What is it called when living things make new living things like themselves? a. homeostasis b. growth c. reproduction d. multicellular

c. reproduction

Rocks are not living because a. they never move b. they aren't needed for humans c. they are not made of cells d. they don't break down

c. they are not made of cells

A caterpillar hibernates in a cocoon and emerges as a butterfly. a. All living things adapt to their environment b. All living things use energy c. All living things respond to their environment d. All living things grow

d. All living things grow

A Basilisk lizard like the one shown is a reptile. Reptiles often modify their behavior in order to help control body temperature. When their body temperature is low, reptiles often bask in the sun. When their body temperature is too high, they will often hide in shady and cool places. When reptiles alter their behavior in order to help control their body temperature, what characteristic of living organisms is being shown? a. Living things grow and develop. b. All living organisms are made of cells. c. Populations of living things evolve over time. d. Living organisms respond to stimuli.

d. Living organisms respond to stimuli.

Which of the following characteristics of living things best explains why your legs and arms get longer and stronger as you get older? a. Living things respond to their environment. b. Living things maintain internal balance. c. Living things are made up of units called cells. d. Living things grow and develop

d. Living things grow and develop

Which is NOT an example of plants demonstrating the characteristics of life? a. A plant has stimuli that causes it to grow towards the sunlight b. Plants are forced to make adaptations depending on its environment c. There are stages of growth that plants go through depending on favorable conditions d. The leaves on a plant move in reaction to the wind

d. The leaves on a plant move in reaction to the wind

What is adjusting to changes in internal and external environments? a. organization b. homeostasis c. growth d. respond to stimuli

d. respond to stimuli

A worm turns away from light is an example of a worm a. reproducing b. doing cellular respiration c. having cells d. responding to its environment

d. responding to its environment

Which is not a characteristic of life?

Movement

A camel has eyelashes that work to keep the dust and sand out of its eyes. a. All living things adapt to their environment b. All living things grow c. All living things have cells d. All living things use energy

a. All living things adapt to their environment

A baby song bird hatches from its egg with both parent songbirds watching. a. All living things reproduce b. All living things maintain homeostasis c. All living things use energy d. All living things grow

a. All living things reproduce

Green plants produce their own food through the process of photosynthesis. a. All living things use energy b. All living things contain cells c. All living things maintain homeostasis d. All living things grow

a. All living things use energy

Which of the following characteristics of living things best explains why birds fly south for the winter? a. Living things respond to their environment b. Living things maintain internal balance c. Living things are made up of units called cells d. Living things are based on a universal genetic code

a. Living things respond to their environment

Which of the following characteristics of living things best explains why birds fly south for the winter? a. Living things respond to their environment. b. Living things maintain internal balance. c. Living things are made up of units called cells. d. Living things are based on a universal genetic code.

a. Living things respond to their environment.

Define BIOLOGY. a. The study of life and living organisms. b. The study of animals. c. They study of matter. d. The study of earth and its atmosphere.

a. The study of life and living organisms.

Both a fast-moving stream and a dog respond to the environment and grow and develop. A stream is not considered living because they do not have which of the following characteristics? a. The ability to move b. Being made of cells c. The ability to grow and develop d. The ability to evolve

b. Being made of cells

Living things are made up of units called a. DNA b. Cells c. Homeostasis d. Seeds

b. Cells

Which of the following is NOT a characteristic of all living things? a. growth and development b. ability to move c. response to the environment d. ability to reproduce

b. ability to move

What is the smallest unit of life a. organization b. cell c. multicellular d. organism

b. cell

When a baby kitten becomes an adult cat, this is an example of... a. energy metabolism b. growth and development c. response to stimuli d. having cells

b. growth and development

Which of the following characteristics of living things best explains why humans sweat when they get hot? a. growth and development b. maintaining a stable internal environment c. using energy d. ability to reproduce

b. maintaining a stable internal environment

Which of the following characteristics of living things best explains why humans sweat when they get hot? a. growth and development b. maintaining a stable internal environment c. using energy d. ability to reproduce

b. maintaining a stable internal environment

One thing that all living things can do that nonliving things cannot do is... a. fly b. reproduce c. see d. hunt

b. reproduce

Which of the following are characteristics of living things? a. food, water, stable internal conditions b. reproduce, respond to stimulus, DNA, cells, use energy, grow and develop c. grow and develop, water, stable internal conditions, DNA d. homeostasis, food, living space

b. reproduce, respond to stimulus, DNA, cells, use energy, grow and develop

This has all of the the characteristics of life. a. cell b. multicellular c. unicellular d. organism

d. organism