Which of the following observations about a bacterium would distinguish it from the last eukaryotic common ancestor?
a double-stranded dna genome
lack of a membrane-bound structure surrounding the genome
fatty acids in the lipid bilayer of the plasma membrane
enclosed by a cell wall

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above