Quizizz #20 (2021-2022) Living Environment

When a person's level of physical activity changes, the circulatory system supplies body cells with amounts of nutrients and oxygen that are appropriate to sustain the new level of activity. This statement best illustrates the concept of

• homeostasis

• pinocytosis

• transport

• metabolism

Which graphed line best represents this data?

• 
• 
• 
• 

You are testing the effect of different fertilizers on plant growth. What is the dependent variable

• type of fertilizer used
• plant height
• time to grow
• amount of photosynthesis occurring

What is the length of the worm?

• 9 mm

• 90 mm

• 10.6 mm

• 106 cm

What is digestion?

• Breaking down food into molecules usable by cells

• Taking in food or drink

• Maintaining a stable internal environment

• Taking in or releasing of oxygen or carbon dioxide

The percent of DNA that species A has in common with species B, C, D, and E are shown in the graph below. Which statement is a valid conclusion that can be drawn from this graph?

• Species A is closely related to species B, but is not related to species E.

• Fewer mutations have occurred in species B and C than in species A.

• Species A and E have the greatest similarity in protein structure.

• Environment influences the rate of evolution.

How do processes 1 and 2 affect the amount of genetic information provided by a parent to its offspring?

• Processes 1 & 2 doubles the amount of genetic information during the production of egg and sperm.

• Processes 1 & 2 reduce the amount of genetic information by half during the production of egg and sperm.

Which cell structure is correctly paired with its primary function?

• ribosome–protein synthesis

• mitochondrion–movement

• vacuole–cell division

• nucleus–storage of nutrients

Which statement best describes a human chromosome?

• It is made of amino acid subunits that form genes.

• It contains genes that may code for the production of enzymes.

• It is normally passed to the next generation through a placenta.

• It varies in function from one generation to the next.

Four different segments of a DNA molecule are represented. There is an error in the DNA molecule in

• segment 1, only

• segment 3, only

• segments 2 and 3

• segments 2 and 4