1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Rufina [12.5K]
3 years ago
9

The image shows rock strata from different regions on Earth. Which fossil in the strata would best serve as an index fossil?

Biology
2 answers:
NARA [144]3 years ago
8 0

It's F3, I got it right on my test.

torisob [31]3 years ago
5 0

Answer:

F3

Explanation:

An index fossil is a fossil of an organism which lived at only one time during the evolutionary history. The index fossils are obtained from rock of one particular evolutionary time zone.  In the given image, F3 fossils are present in same strata or layer of the rock in all three regions. They are also not present in any other layer of any region. Hence. F3 would serve as best index fossil.

You might be interested in
What is the smallest part in your body
Aleks [24]
What’s the smallest muscle in the human body? The stapedius, in your middle ear, measures about 1mm in size (or 1/26 of an inch). Connected to the stapes bone, it contracts to pull back the stapes and help protect your inner ear from loud noises. The stapedius also contracts to keep your own voice from sounding too loud in your head.
What’s the smallest bone in the human body?
Conveniently, that would be the stapes. It is one of three tiny bones in the middle ear that convey sound from the outer ear to the inner ear. Collectively called the ossicles, these bones are individually known as the malleus, incus, and stapes. Those are Latin words for the shapes the bones resemble: a hammer, anvil, and stirrup.
What’s the smallest organ in the human body?
You’ll find the pineal gland near the center of the brain, in a groove between the hemispheres. It’s not an organ like those in the abdominal cavity. It’s the human body’s smallest endocrine gland, and it produces melatonin, a hormone (derived from serotonin) that affects how we sleep, wake up, and react to seasonal changes. It’s called pineal because it’s shaped like a little pinecone.
What’s the smallest blood vessel in the human body? <span>Capillaries, the smallest, thinnest-walled blood vessels in the body, connect veins and arteries. They can be as small as 5-10 micrometers wide — or 50 times thinner than a baby’s hair. Each of us contains about 10 billion of them, with the average adult body containing about 25,000 miles of capillaries.</span>
4 0
3 years ago
Read 2 more answers
Explain how cellular respiration and photosynthesis are opposite processes?
Aleks04 [339]

Answer: Cellular Respiration and Photosynthesis are almost opposite processes because photosynthesis removes carbon dioxide from the atmosphere while cellular respiration puts back carbon dioxide. Cellular respiration uses oxygen and has it's waste product of carbon dioxide (CO2).

7 0
3 years ago
What is an exemplar? What are the best types of exemplars?
jenyasd209 [6]
By definition it is one that serves as a model or example
8 0
4 years ago
Read 2 more answers
Which of the following is used to determine if a star is moving closer to Earth? (2 points)
Zigmanuir [339]
Doppler shift - if it’s red shift it’s moving away from you. If it’s blue shift it’s moving towards you.
7 0
3 years ago
Read 2 more answers
Which of the following is a consumer? *
OlgaM077 [116]
Insect is a consumer im pretty sure
4 0
3 years ago
Read 2 more answers
Other questions:
  • What is the term for the process by which the body takes in and uses food?
    6·1 answer
  • Which of the following factors made it more likely that similar individuals would mate with each other?
    12·2 answers
  • Which statement best describes the role of decomposers in an ecosystem?
    5·2 answers
  • An action potential causes calcium ions to diffuse from the ________ into the ________.
    13·1 answer
  • The diagram below shows a close-up of blood vessels in the human body. What structures are labeled X in the diagram? What import
    6·1 answer
  • Applying Osmosis
    12·1 answer
  • What kind of adaptations could have given homosapiens an evolutionary advantage over neanderthals and other species of humans?
    7·1 answer
  • Why did the population of rat stop growing in the logistical growth model?
    15·1 answer
  • Answer both parts in the screenshot.Whoever answers correctly or more accurate will get brainiest,5 star review and a thanks
    7·2 answers
  • In autotrophic bacteria, where is chlorophyll located? a. In chloroplast membranes b. In the cell wall c. In the nucleoid d. In
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!