You have isolated a microorganism from seawater that contains thylakoid membranes, gas vacuoles, and carboxysomes. It is most likely

A. E. coli.

B. Caulobacter.

C. algae.

D. a cyanobacterium.

E. an ameba.

What is a sporophyte?

How did the grants test their hypothesis that differences in birds' songs can keep different species of finches from breeding with one another? how di

It is summer and your friend Michelle, who lives in Michigan, tells you that she is a morning person and functions best when the sun wakes her up early in the morning.

Based on your observations, how are the chemical properties of iron and glass similar? how are they different?

What might happen if a plant organ, such as a leaf or stem, became damaged? How would the organism be affected?

Homeostasis is classified under which of the following A. Cell respiration B. Transcription C. Cell regulation D. Photosynthesis

A ball, with a mass of 10 kg, is dropped from the top of a building, from a height of 20 meters. Explain what will happen to the potential energy if the 10 kg mass is replaced with a mass of 40 kg and the height of the drop remains constant.

Which of the following is a disadvantage of animal endoskeletons? a. Endoskeletons allow organisms to grow large in size. b. Endoskeletons don't need to be molted as an organism grows. c.

A species of cactus is adapted to a desert climate. Over a period of many years, the climate becomes wetter. How will the cactus population most likely be affected by this change? A It will grow as more water resources become available.

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