7th grade science final

Which of the following is an example of homeostasis?

• laughing
• pulling your hand away from a burning-hot surface
• using energy to build muscles
• Hormones keeping blood glucose levels steady

What is not true about BOTH a plant and animal cell?

• The both have a nucleus.
• The both have a cell membrane.
• They both have a cell wall.
• They both have ribosomes.

Which organism is prokaryotic?

• Plants

• Fungi

• Bacteria

• Protists

Which of these is not a product of photosynthesis? 

• Cellulose
• Glucose
• Amino acids
• Starch

How long has life existed on Earth?

• 20 million years
• 3.5 billion years
• 4.5 billion years
• 1.7 million years

Which is not a type evidence for evolution?

• recessive genes
• Homologous structures
• Embryolgic development
• DNA

Homeostasis is an organism's ability to

• keep conditions stable inside the organism
• burn food for energy
• compete for living space
• grow and reproduce

What do ribosomes do in a cell?

• Make amino acids
• store energy
• translate DNA and create proteins
• control cell functions

Which is not a blood type?

• A-

• Q+

• AB-

• O+

What do all living things have in common?

• They are all muticellular.
• They are all eukaryotic.
• They all grow and develop.
• They are all heterotrophic.