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
skelet666 [1.2K]
3 years ago
13

What are your opinions on the evolution of chordates from hemichordates?

Biology
1 answer:
rodikova [14]3 years ago
4 0

Answer: overrated

Explanation:

You might be interested in
According to the theory of plate tectonics, _____.
kramer

According to the theory of plate tectonics, _____.



A. the lithosphere is divided into plates

7 0
2 years ago
Read 2 more answers
What are the body’s three defenses? How do they differ from each other.
Artemon [7]

Answer:

- Physical and chemical barriers

- non-specific innate responses

- specific adaptive responses

<u>The differences are...</u>

The first barrier is the physical and chemical barrier. It is the first line of defense when in contact with outside sources, this can be through the skin, earwax, nose-hair, etc.

The second barrier, the non-specific innate response, is after these outside sources have somehow managed to pass through the first barrier. They come into contact with cells and enzymes that help to defeat them.

The third barrier, the specific adaptive response, is the body's way of dealing with pathogens that the body has encountered before. (B cells activate)

8 0
2 years ago
A sample of well water is tested for its bacterial content in a plate count assay. A one-milliliter sample of the water is dilut
Sholpan [36]

Answer:

The original water sample contains 830,000 cells per milliliter.

Explanation:

A sample of well water is tested for its bacterial content in a plate count assay. A one-milliliter sample of the water is diluted in a 1:10 dilution series. One milliliter of the fourth dilution tube is plated in a pour plate. After incubation, the plate has 83 colonies, indicating that the original water sample contained 830,000 cells per milliliter.

6 0
3 years ago
The mass extinction at the end of the Mesozoic Era was caused by ______.
Georgia [21]
The answer to the question stated above is letter b. <span> <span>a meteor or asteroid colliding with Earth
</span></span> <span>The mass extinction at the end of the Mesozoic Era was caused by </span>a meteor or asteroid colliding with Earth. This was said to happen about 65 million years ago.
3 0
2 years ago
Read 2 more answers
Which country looks like it is experiencing exponential growth?
sergeinik [125]

Answer:

Chinese they have got high birthrate than death rate

5 0
3 years ago
Other questions:
  • Free points <br><br> i’ll make one brainliest too
    5·2 answers
  • List and explain the function of the 3 types of nerve receptors found in the dermis of the skin
    12·2 answers
  • In this food chain the __________ has the least energy available to it for its life processes.
    14·2 answers
  • A fish detects vibrations in the water around it by means of its lateral lines, rows of sensory receptors along each side of the
    13·1 answer
  • Which type of metamorphosis makes non-foliated rocks?
    6·1 answer
  • What would happen to the proton gradient and ATP production after a drug has poisoned the enzyme that combines acetyl CoA and ox
    5·1 answer
  • (30 points!)
    9·2 answers
  • Match the term to its definition.
    6·1 answer
  • 1. Which of the following best explains how
    8·1 answer
  • For separate ecosystems to be classified as the same type of biome they must
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!