Which of the following is true regarding a plant life cycle? A. The gametophyte phase is haploid. B. A gametophyte produces spores. C. The sporophyte phase contains one set of chromosomes. D. A sporophyte produces either eggs or sperm.

Why is a large heavy exoskeleton less limiting for arthropods that live in water?

Which of the following conclusions about dewlap reflectance is supported by information in the passage? Lizard habitat is determined by dewlap reflectance for each species. High UV dewlap reflectance is most important in brightly lit habitats.

Where are meteorite remains most commonly found? why?

is a leuplast the same thing as a cloroplast because the question is This organelle is found in plant cells. The function of this organelle is to collect solar energy and use this to produce food, or glucose, for the plant.

Which of the following DNA mutations is most likely to damage the protein it specifies? A) a base-pair deletionB) an addition of three nucleotidesC) a substitution in the last base of a codonD) a codon deletion

How does taking these drugs in combination affect their distribution to the tissues?

Why would a person, even one that is not interested in "buffing" up want to maintain good muscle tone?

What type of organism moves using cilia

The punnet square shows the results when two parent cows are crossed. R represents red hair and represents white hair. Which best describes this inheritance pattern?

Which plant division has seeds with a 3n endosperm due to double fertilization?