Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods

Answers

Answer 1

Answer: The carbon in their bones allow them to know what time period it comes from. This is called carbon-dating.

Related Questions

Why do humans need more potent pesticides over time?A) because the target population soon develops a resistance to the chemicalB) because pesticide salesman need to make more moneyC) because plants begin to eat the pesticidesD) because the explosive growth of the human population places increased demands on current farmers
12. Jacks and silversides are a good example of an evolutionary arms race between predators and prey. Describe the predatory adaptations of the jacks, and the defensive adaptations of the silversides
Then the red blood cells travels to the ___________ system
Give an example of a parasitic relationship.
What are macronutrients? micronutrients?

Which of these examples demonstrates homeostasis? A.
A bird flies south for the winter and flies back north in the spring.

B.
An amoeba takes in food and digests it.

C.
A cat runs away when it hears a noise.

D.
A person's body increases blood flow to its cold feet.

Answers

A persons body increases blood flow to its cold feet. hope it helped you. Please mark as the brainliest if it helped.

What makes up a molecule of water?

Answers

Answer:

2 Hyrogens atoms and 1 oxygen

Explanation:

its H2O a molecule is a atom so 2 hydrogen atoms and 1 oxygen atoms make up a water

A molecule of water is made up of 3 atoms. 2 Hydrogen atoms and 1 Oxygen atom. H2O.

What term is used to describe the animal in a group that is the largest, strongest, or has the highest status?1.predatory
2.uncooperative
3.aggressive
4.dominant

Answers

The answer to your question is 4 dominant

D. Dominate - which means (in animal terms) Alpha or the biggest individual of the pack

Which human cells never have 23 pairs of chromosomes? A. blood cells B. nerve cells C. mature sex cells D. mutant cells

Answers

All the given cells in the human body that are found in the choices are composed of 23 pairs of chromosomes. However, one of them is not. The answer to this item is mature sex cells. That is letter C. The egg cell and sperm cell when combined will form 23 pair of chromosomes but not individually. The answer is letter C.

It is mature sex cells (sperm for male or egg for female) that never have 23 pairs of chromosomes. In this case, they instead contain 23 chromosomes (without the pairing). The full complement of chromosomes is regained when male and female sex cells fuse.

According to the diagram, how does cellular respiration aid the process of photosynthesis?

Answers

Plants need carbon-dioxide and water and both of those are released into the air by respiration and during respiration, the plants need oxygen and glucose, which are produced by photosynthesis. hope that gave a clue...

What is sustainability?O the number of organisms in an area
O being able to continue for a long time
O the variety of organisms in an area
O being able to grow larger over time