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
ivolga24 [154]
3 years ago
14

A new species of aquatic chordate is discovered that closely resembles an ancient form. It has the following characteristics: ex

ternal armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition. In addition to these, it will probably have which of the following characteristics?A) legsB) no jawsC) an amniotic eggD) endothermy
Biology
1 answer:
prisoha [69]3 years ago
5 0

Answer:

The correct answer is B. No jaws. The new species resembles an ostrachodermi.

Explanation:

Ostrachodermi is an extinct class of agnate fishes, considered as the most ancient vertebrate. They were little filtering organisms, with no mandible or jaws, and no paired fins. Their bodies were covered by squama, bony plates, and shields. They used to move in the bottoms when they were feeding on detritus.

You might be interested in
Cual es la funcion de la respiracion
USPshnik [31]

Answer:

La función básica del aparato respiratorio es la respiración. Consiste en llevar el oxígeno del aire a la sangre y eliminar el anhídrido carbónico (CO2) al aire. Este intercambio de gases se produce en el interior de los pulmones.

Explanation:

8 0
3 years ago
Question 2<br> The solid portion of Earth is made up of oxygen and this element is _____.
jarptica [38.1K]

Explanation:

Tarbuck, Earth's crust is made up of several elements: oxygen, 46.6 percent by weight; silicon, 27.7 percent; aluminum, 8.1 percent; iron, 5 percent; calcium, 3.6 percent; sodium, 2.8 percent, potassium, 2.6 percent, and magnesium, 2.1 percent

About 29% of Earth's surface is land consisting of continents and islands. The remaining 71% is covered with water, mostly by oceans but also lakes, rivers and other fresh water, which all together constitute the hydrosphere.

...

Earth.

Almost 99% of the minerals making up the Earth's crust are made up of just eight elements. Most of these elements are found combined with other elements as compounds.

6 0
3 years ago
During childbirth, jennifer received pain medication that involved the insertion of a small tube near the base of her spine and
guajiro [1.7K]
<span>This is called an epidural. A procedure that delivers continuous pain relief to the lower part of your body while allowing women to remain fully awake. It decreases sensation of pain. The medication is inserted into the epidural space just outside the spinal cord and spinal fluid. This is the most common method used in the United States.</span>
7 0
3 years ago
How can a diet that is 90% carbohydrates support the same amount of protein in the human body as a diet that is only 15% carbohy
jeyben [28]

Answer:

Due to increase or decrease in the concentration of carbohydrates have no effect on protein concentration.

Explanation:

A diet having 90% carbohydrates support the same amount of protein in the human body as a diet that is only 15% carbohydrates because with the increase or decrease of carbohydrates in the diet does not increase the amount of protein. Protein and carbohydrates are two different things, proteins broken down into amino acid that is utilize by the body for making muscles while carbohydrates are broken down into glucose that is used by the body for performing daily activities.

7 0
2 years ago
A genetically engineered corn plant is approved for agricultural use. The plant produces pollen that can make its own toxins. Th
Greeley [361]
The financial costs for the farmer would be lowered.

3 0
3 years ago
Read 2 more answers
Other questions:
  • Compare and contrast the advantages and disadvantages of sexual and asexual reproduction
    9·1 answer
  • . What led to the collapse of the Atlantic Cod fishery? A) the lack of understanding regarding ocean food webs B) ocean floor tr
    11·1 answer
  • Action potentials are generated by the opening of ________ gated channels and they occur on the ________.
    15·1 answer
  • Which organism does not have a double loop circulatory system A) bird B)fish C) human D) dog
    6·1 answer
  • A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. Wha
    5·2 answers
  • Forensic scientists studying the human body at crime scenes need to be ready to face _____.
    12·1 answer
  • What type of bond is responsible for binding water molecules to other water molecules?
    6·2 answers
  • Some argue that wind power should be used more than it is now. What
    13·1 answer
  • What is the energy transformation of a flashlight?
    6·1 answer
  • I’ll give a lot of points just please help and has to be the correct answer
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!