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
nata0808 [166]
3 years ago
7

Q.18. During which period did the first trilobites appear?

Biology
2 answers:
nirvana33 [79]3 years ago
8 0

Answer:

A. Cambrian period

Hope this helps :)

frez [133]3 years ago
7 0

Answer:

a) cambrian

Explanation:

The first body fossils of trilobites appeared in the Early Cambrian Period, about 540 million years ago.

You might be interested in
The drug of choice for fungal infections of the nervous system is ________.
Amiraneli [1.4K]

Answer:

Amphotericin B

Explanation:

<u>Amphotericin B is the injection which is used to treat potentially life-threatening and serious fungal infections. It is used to treat the fungal infection of nervous system.</u>

It is placed in the class of medications which is known as antifungals. It works by slowing growth of the fungi which cause infection.

Amphotericin B injection is a solid powder which is into solution and injected intravenously into a vein.

7 0
4 years ago
. Some family farmers store animal droppings in containers and capture natural gas from the droppings for fuel. What is the fuel
Nana76 [90]

ANSWER:

The fuel is called methane.

8 0
3 years ago
Read 2 more answers
when blood glucose levels are high The pancreas releases insulin. a.The liver releases insulin. b.The pancreas releases glucose.
V125BC [204]

The options were not well-ordered, it should be options A to E.

Answer: The correct answer is that the pancreas releases insulin.

Explanation:

Whenever the blood glucose level is high, the pancreas responds by releases insulin, a hormone secreted by its beta cells, and responsible for the regulation of blood sugar level by

- signalling cells of the muscle and liver to store excess blood glucose as GLYCOGEN until energy need arises.

Unlike insulin, when blood glucose levels is low, Glucagon is released also by pancreas to stimulates glycogen breakdown to raise glucose levels

5 0
4 years ago
What sequence of bases would pair with GTACG?
Mazyrski [523]

Answer:

catgc

Explanation:

7 0
4 years ago
Snakes and lizards are reptiles. Both organisms have pelvic organs, even those snakes don’t have mine legs. What are the best ex
lions [1.4K]

Divergent evolution based on their homologous structures. they come from a common ancestor

6 0
4 years ago
Read 2 more answers
Other questions:
  • Recombination frequency is the number of recombinant offspring divided by the total number of offspring. if 300 of 500 offspring
    13·2 answers
  • Urinalysis is significant for occult blood (1+) with microscopy showing 10–20 RBCs per 400x magnification.
    11·2 answers
  • Which statements describe functions of antibodies?
    7·1 answer
  • What allele is expressed as a phenotype only when two copies are present in the genotype?
    14·1 answer
  • Please select the best answer from the choices provided.An environmental scientist studies _______.
    13·1 answer
  • The evolution of populations due to chance is
    15·1 answer
  • What Maps are especially useful for showing aspects of the world that cannot be seen directly. These include?
    12·1 answer
  • PLEASE ANSWER: Which change in the environment led to the change in the population of peppered moths during the 1800s.
    8·2 answers
  • Prokaryotic and eukaryotic cells have many differences, but they also share some common features. Which of the following may be
    11·1 answer
  • CAN ANYONE ANSWER THIS?is anaerobic applicable to only animal, only to plant, or both? why?​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!