Biology, 01.03.2021 18:10 kailinaguilar9455
The diagram below represents the last 570 million years of Earth's history. Three eras are represented the Cenozoic era, the
Mesozoic era, and the Paleozoic era. These three eras are further divided into geologic periods.
CENOZOIC
MESOZOIC
PALEOZOIC
CRETACEOUS
JURASSIC
TRIASSIC
PERMIAN
PENNSYLVANIAN
MISSISSIPPIAN
DEVONIAN
SILURIAN
ORDOVICIAN
CAMBRIAN
66.4 100
570
500
245
200
300
400
TIME IN MILLIONS OF YEARS
Image courtesy of USGS
Dr. Hayden finds a fossil that she dates back to the Triassic period. A fossil found in a rock layer from which of the following periods
would be at least 200 million years older than the fossil Dr. Hayden found?
OA. Ordovician
B. Jurassic
OC. Cretaceous
OD. Permian
Answers: 1
Biology, 21.06.2019 15:30, mercedesamatap21hx0
The large ground finch obtains food by cracking seeds. what is its short, strong beak an example? a) tendency toward perfection b) adaptation of a species over time c) selective use and disuse of an organ over time d) scarcity of recourses
Answers: 1
Biology, 21.06.2019 23:10, Demarcusclincy
Glucose is a form of sugar found in the blood cells use glucose as a source of energy, but too much or too little can cause serious health issues so, the body uses the hormone insulin to regulate glucose n the blood insulin maintain glucose levels in the blood if blood glucose lovels got very high, what would you expect to see happen to insulin levels?
Answers: 2
Biology, 22.06.2019 04:00, axelsanchez7710
Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.
Answers: 2
Biology, 22.06.2019 05:30, thefootballman1115
Hector is back from his morning run and is feeling light-headed because his energy is depleted which food item will provide him with a quick source of carbohydrates
Answers: 1
The diagram below represents the last 570 million years of Earth's history. Three eras are represent...
English, 26.09.2019 18:00
Mathematics, 26.09.2019 18:00
Mathematics, 26.09.2019 18:10
Biology, 26.09.2019 18:10
English, 26.09.2019 18:10