A tree of life depicting the hypothetical phylogeny of the three domains is shown above. A star is placed at the common ancestor of all eukaryotes. Which characteristic would a common ancestor located at the star contain? CHOICES: A- linear chromosomes with introns
B- circular chromosomes with introns
C- linear chromosomes lacking introns
D- circular chromosomes lacking introns

answer: i don't know

explanation:

you need to provide a picture, otherwise i can't tell you.

if you can provide one, i'd be more than happy to you with this!

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.

69 is the correct math for the amino acids

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.