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Which of the following is a characteristic of all angiosperms [a]A) double internal fertilizationB) free-living gametophytesC) carpels that contain microsporangiaD) ovules that are not contained within ovaries

The percentage that shows the effectiveness of collection methods is called the

Which of the following do archaeans and bacteria have in common [a]A) same composition of the cell wallB) lack of a true nucleusC) presence of linear chromosomeD) presence of plasma membrane and same composition of the cell wall

Which of these is not a diploid [a]A) a zygoteB) a female gametophyteC) a male sporophyteD) an embryoE) a female sporophyte  

In which stage of the communication process is a common understanding reached between the participants?

Plants that do not have a waxy cuticle (like moss gametophytes) [a]A)  use stomata for gas exchange regulation.B) can easily lose water but can also absorb water from the atmosphere.C) perform photosynthesis occurs throughout the entire gametophyte surface.D) have branching veins in their leaves.

Which of the following is an acceptable chart notation for “as needed”?

The ester functional group contains a carbonyl group and hydroxyl group bonded together.

The molecule hexane contains six C atoms and fourteen H atoms.

Which of these is an amoeba [a]A) Plasmodium B) Trichomonas C) TrypanosomaD) EntamoebaE) Giardia