Question | Answer |
An unsafe lab practice is ... | testing a substance by tasting it. |
To research reliable information use a | university website. |
Broad, flat leaves are best adapted to | absorbing light in a rain forest. |
Animals best suited for cold environments have | 2 layers of fur (inner layer insulates; outer layer sheds moisture & protects from the wind.) |
How can fertilizers have a negative effect on the environment? | Excess fertilizer can run off into streams causing an overgrowth of algae. |
Why is an algae bloom detrimental? | Fish can die due lack of oxygen. |
How would a grazing animal react during a drought? | Migrate farther to find food. |
A landslide would force an animal to ... | move to a new area. |
Scientists will use plants in space to study ... | the effects of gravity. |
What is the energy transfer in animals for movement? | Chemical Energy --> Mechanical Energy |
What type of energy is stored in food? | Chemical Energy |
How do cells get more energy when you run? | The heart pumps blood with more force AND your lungs work harder and faster for you to breath. |
How can you reduce the amount of force needed to raise an object? | Use an inclined plane. |
When a net force acts on an object, the object will move... | in the direction the direction of the applied force. |
Carbohydrates can be broken down into smaller molecules called | glucose |
How can pizza be changed physically? | Tear a piece off when biting it. |
What happens when you chew food? | Food is broken down physically and chemically. |
What do organic compounds contain? | Carbon, Hydrogen, Oxygen, and Nitrogen |
Is glucose an organic compound?
(C6 H12 O6) | Yes |
Is a cactus a producer? | Yes |
Is a plant a producer? | Yes |
Is a rat a producer? | No |
What is the process where dead organisms return organic matter back to the environment? | Decomposition |
Radiant Energy is changed into Chemical Energy during | Photosynthesis |
What transforms radiant energy into chemical energy? | Producers such as grasses. |
In the lab, when using a flammable substance, know... | the location of the fire extinguisher and fire blanket. |
To observe a plant or animal cell, use a ... | microscope |
A bird with a tweezer-like, pointy beak would eat ... | insects out of tree bark. |
Pioneer species such as lichen and moss would likely be found where? | Newly formed volcanic island. |
Ecological succession of a corn field left to rest would be ... | grasses - flowering plants/weeds - shrubs - native trees |
Name 3 adaptations of cacti. | 1. Waxy, modified leaves or stems
2. Sharp spines to preserve moisture & provide protection
3. Long, shallow roots. |
What are Clydesdale horses bred to do? | Pull or carry very heavy loads. |
Where is DNA found? | Nucleus of a eukaryotic cell. |
Asexual reproduction results in offspring having | identical genetic material. |
What is the passing of genetic information that is contained in chromosomes from one generation to the next. | Heredity |
Variety of hair color in the same litter of puppies results from... | sexual reproduction |
Why does a person vomit contaminated food? | The body is trying to get rid of the harmful substance in the food. |
How does a cold-blooded animal like an alligator warm itself? | By lying on a river bank in the sun. |
How are polar bears adapted to cold environments? | Their skin is covered with transparent tube-like hairs that direct sunlight onto their black skin. |
The Cell Theory states: | 1. All living things come from cells.
2. Cells are the basic unit of living things.
3. Only cells can reproduce cells. |
What has cell walls that provide shape and structure? | Plant Cells |
Cell organelle responsible for respiration; provides energy for the cell's processes. | Mitochondria |
Name 2 differences between plant and animal cells. | Plant cells have chloroplasts and cell walls. |
What is the correct order of organization in multi-cellular organisms? | cell - tissue - organ - organ system - organism |
Skeletal System functions are: | 1. Protect vital organs and tissues.
2. Provide framework for mobility or movement.
3. Produce blood cells. |
Which body system moves or transports oxygen to the cells and has white blood cells that help fight infections? | Circulatory System |
Which system moves oxygen into the blood and removes carbon dioxide from the blood? | Respiratory System |
Which system provides a strong framework for the body? | Skeletal System |
What internal structural adaptation do birds have? | Hollow bones to reduce mass for flight. |
An advantage of a guard dog is a loud | Bark |
Why do male peacocks have colorful tail feathers? | To attract a mate. |