What are genetics? (short definition)

Answer:

A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. However, many genes do not code for proteins

Answer:

Genetic is what traits are passed down from a mother and father to their child. Eye color, height, and hair color are some examples of the traits that are controlled by genes. Genes exist inside the cells that make up living things

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Some organisms reproduce sexually. Other organisms reproduce asexually. What are some benefits of asexual reproduction?

A. It benefits organisms that that are immobile.

B. It gives offspring the genetic traits to survive in a particular environment.

C. It uses less energy.

D. All of the above.

what do humans call their source of energy

Particle size directly affects which of the following soil properties?

A. pH and composition
B. pH and texture
C. composition and humus
D. texture and permeability

Use the drop-down menus to select the names of the labeled structures.

A:


B:

C:

The main factors that determine aquatic biomes include

Amount of sunlight
Types of plants
Dissolved substance
Temperature and precipitation

Select all that apply

Explain what is meant by ''Day Zero''

What do ALL living things need from their environment?
A sunlight
B energy
C nutrients
D all of the above

T or F... Carbon dioxide (CO2) blocks SUNLIGHT from hitting the surface of the Earth. *

True
False

Which process only exists because humans changed the carbon cycle? *

A (plants taking in CO2 during photosynthesis)
B (animals respiring/exhaling greenhouse gasses)
C (fossil fuel combustion to make energy)
D (plants dying and decomposing in the soil)
E (buried remains of once-living things turning to fossil fuels)

A student wishes to measure the speed of a toy car at the bottom of an inclined plane. Which information is needed to calculate speed? O A the mass of the car and the height of the inclined plane the friction of the surface of the inclined plane and the mass of the car the length of the inclined plane and the time for the car to descend the inclined plane the length of the car and the time for the car to descend the inclined plane