Biology, 13.06.2020 18:57 Randomkid0973

Study the image about geologic time. A geochronological scale measured in Millions of Years Ago or M Y A. Cenozoic era: Paleogene period, 66 to 23 M Y A, diatrima, many types of mammals, smilodon. Neogene period, 23 to 2.6 M Y A, smilodon, mammoth. Quaternary period, 2.6 to today, human, mammoth.

During which period did humans first appear on Earth?

Quaternary
Neogene
Paleogene
Cenozoic

Answers: 2

Show answers

Other questions on the subject: Biology

Biology, 21.06.2019 18:00, shelbyo1123

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

Answers: 2

continue

Biology, 22.06.2019 00:30, azktanae5855

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Answers: 2

continue

Biology, 22.06.2019 02:00, u8p4

Consider the skeleton. which skeletal system is represented by the shaded portion of the skeleton? spongy skeleton compact skeleton axial skeleton appendicular skeleton

Answers: 3

continue

Biology, 22.06.2019 05:30, sbu15

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

Answers: 3

continue

You know the right answer?

Study the image about geologic time. A geochronological scale measured in Millions of Years Ago or...