Which life-forms appear to be extinct?
a. Sponges, Insects, and flowering plants.
b. Bony fis...
Biology, 10.06.2020 02:57 mimithurmond03
Which life-forms appear to be extinct?
a. Sponges, Insects, and flowering plants.
b. Bony fishes, dinosaurs, and mammals
c. Sponges, insects, reptiles
d. trilobites, ammonoids and dinosaurs
Which life-form was most abundant 250 million years ago?
a. dinosaurs
b. reptiles
c. bony fishes
d. trilobites
Answers: 3
Biology, 22.06.2019 05:00
Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?
Answers: 2
Biology, 22.06.2019 05:00
Cedric has a low fever and minor aches. yesterday, he went to the doctor for his booster shot and receive the flu shot. which best explains why he has this reaction?
Answers: 2
Biology, 22.06.2019 05:50
Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.
Answers: 2
Biology, 22.06.2019 21:30
Azoologist is studying four very closely related feline species. she wishes to compare their gestation periods. an observational study is conducted where the zoologist observes the gestation period of 50 randomly selected felines in each species. a one-way anova test is run to test the hypothesis that the average gestation period is the same for each of the four species. a level of significance of 0.05 is used, and a p-value of 0.01 is calculated. based on this result, the conclusion that can be drawn is that:
Answers: 1
Mathematics, 20.09.2020 23:01
Health, 20.09.2020 23:01
Physics, 20.09.2020 23:01
Mathematics, 20.09.2020 23:01
Mathematics, 20.09.2020 23:01
Mathematics, 20.09.2020 23:01
Mathematics, 20.09.2020 23:01
Biology, 20.09.2020 23:01
English, 20.09.2020 23:01
English, 20.09.2020 23:01
Mathematics, 20.09.2020 23:01
Computers and Technology, 20.09.2020 23:01