The fossil record provides evidence of five mass extinctions. Scientists compare fossils found in rock layers to find evidence about how organisms were affected by extinction events. Which of the following images shows evidence of an extinction event?


How are the bones in the fin structure of the Tiktaalik evidence of a transition from fish to amphibian?

Scientists use evidence from their findings to support theories of life on earth. Which of these findings could NOT be used to provide supporting evidence that life on earth has changed over time? *

A. increasing complexity of fossils in younger rock layers
B. increasing diversity of fossils in rock layers following an extinction
C. transitional fossils
D. rock layers with no fossils

Organisms with more complex body plans are more likely to be found in younger rock layers. This prediction is based on observed patterns of the increasing complexity of physical structures in organisms over time.

True
False
It is impossible to tell from this information.


PLEASE HELP

help i need help plz ill give brainleist

Two organisms can be considered to be of different species if they

-live in two different geographical areas
-cannot mate with each other and produce fertile offspring
-mutate at different rates
-have genes from the same gene pool

Which is correct about pressure distribution due to uneven heating of the earth’s surface? (1 point)
A. The pressure distribution remains the same.
B. The air moves from low to high pressure systems.
C. The air moves from high to low pressure systems.
D. The heating of the earth’s surface does not affect pressure.
whoever gets it right gets brainilest!!!

SCIENCE

Which of the following life sciences includes the use of living organisms to develop useful products, especially in the areas of food production and medicine production?
A) Biotechnology
B) Zoology
C) Anatomy
D) Agronomy

The process of genetic engineering:

A. allows scientists to create their own mutations in organisms.


B. to change outcomes of traits by altering genetic material.


C. all of the above.


D. is the manipulation of the genetic code in an attempt to improve a species.

Which of the following organisms would be considered the most important part of the ocean's ecosystem because they are producers?

A: Clams
B: Dolphins
C: Jellyfish
D: Phytoplankton

Use the diagram below to answer the next 3 questions.




At which point on the roller coaster will the car have the greatest amount of kinetic energy? Explain why.

*spam answers won't be tolerated* Could somebody help, please? Will give brainliest and 100 points!
Which of the following is being used to catch fish?

electricity
light
sound
all of the above