8th Grade Biology Challenge
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Showing 5 of 18 questions - take the quiz to answer them all
- 1
The medulla oblongata is called the 'knot of life' because it:
- AParticipates in maintaining the body's balance
- BControls feelings of hunger and thirst
- CContains centers that control breathing, heart function, sneezing, and coughing
- DParticipates in maintaining a constant body temperature
- 2
A sexually transmitted disease that can occur due to the overgrowth of a normally present organism in the human body is called:
- ACandidiasis
- BSyphilis
- CHepatitis C
- DAnemia
- 3
Besides the nucleus, which other organelle in an animal cell contains hereditary material (DNA)?
- AMitochondrion
- BCentriole
- CVacuole
- DEndoplasmic reticulum
- 4
Which type of cells are produced from stem cells in the bone marrow of adults?
- ASkin cells
- BMuscle and nerve cells
- CCells of the intestinal system
- DWhite blood cells and platelets
- 5
What is the name of the group of extinct arthropods to which the organism in the image belongs (Trilobite image)?
- AFerns
- BAmmonites
- CTrilobites
- DMammoths