A) It offers shelter and space
B) It provides food and water
C) It allows organisms to reproduce
D) All of the above

A) Lack of reproduction
B) Growth, movement, and reproduction
C) Inability to respond to stimuli
D) Ability to change color

A) Both plant and animal cells have the same structure
B) Animals have chloroplasts, plants don’t
C) Plant cells have chloroplasts and a cell wall, animals don’t
D) Animal cells have a cell wall, plant cells don’t

A) The ability to fly
B) Changes that increase survival chances
C) Growing larger than predators
D) Moving to different habitats

A) Energy flows in one direction from the sun to producers and consumers
B) Energy remains constant
C) Energy moves in a circular pattern
D) Energy flows back to the producers

A) It is how plants convert sunlight into food
B) It is the process of plants absorbing oxygen
C) It is how plants break down food into energy
D) It is the exchange of gases between plants and animals

A) Through competition for food and space
B) By ignoring one another
C) Through competition for food and space AND Through communication and cooperation

A) Ability to run fast
B) Use of language, culture, and tools
C) Ability to swim
D) Ability to grow taller than other species

A) Skeletal system – digestion of food
B) Circulatory system – transport of blood and oxygen
C) Digestive system – circulation of blood
D) Respiratory system – breaking down food

A) Childhood, teenage years, middle age
B) Infancy, childhood, adulthood
C) Infancy, adulthood, old age
D) Infancy, adolescence, seniority