Which cell could eventually become heart cells

1. Explain the difference between the greenhouse effect and global warming. 2. Based on your knowledge of how the greenhouse effect works, why does the level of carbon dioxide affect the global temperature? 3.

The Earth's magnetic poles create which of the following? A. a magnetic field around the earth B. magnetic resistance of Earth C. the tides in the oceans D. geographic north and south

How do the offspring plants compare to the parent plants?

What motion causes a year

Which are examples of non-specific defenses? A. Mucus, stomach acid, and T cells B. Skin, digestive enzymes, and fever C. Lysozyme, phagocytes, and B cells

Chemical reactions that release energy Question 6 options: will always explode. need catalysts to occur. often occur spontaneously. will not occur.

Match the amino acid (AA) with its correct side chain category: 1) proline A) acidic AA 2) histidine B) nonpolar AA 3) alanine C) basic AA 4) threonine D) polar AA 5) tryptophan 6) aspartic acid

In which structure of the female reproductive system are eggs priduced

In a forest, rabbits are the prey to owls. An increase in the number of rabbits in the forest would result in Group of answer choices A. an increase in the number of owls. B. an increase in the number of producers.

How are viruses different from bacteria Bacteria are heterotrophic while viruses are autotrophic. Bacteria are living organisms; viruses are not. Bacteria have a membrane bound nucleus while viruses do not.