Which of the following best explains the endosymbiosis theory of how eukaryotic cells originated, as shown below? Eukaryotic cells originated from a combination of gases and heåt in the atmosphere
Eukaryotic cells developed from organic compounds carried to Earth by debris from space
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Eukaryotic cells developed from mutations in prokaryotic cells
Eukaryotic cells were originally large prokaryotic cells that absorbed smaller prokaryotic cells

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit. 1. deciduous trees lose their leaves seasonally and include trees such as maple and elm. 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine. 3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine. 4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.

Which type of stimulus do mechanoreceptors detect? sound pain heat light