This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What order has the most living bony fish species? a. Chondrichthyes b. Osteichthyes c. Teleostei ... (Read 44 times)

imanialler

  • Hero Member
  • *****
  • Posts: 539
on: Aug 22, 2018

What order has the most living bony fish species?
  a. Chondrichthyes
  b. Osteichthyes
  c. Teleostei
  d. Coelacanths



Question 2

What needle-like structure provides a skeletal network for a sponge?
  a. Cnidoblasts
  b. Polyps
  c. Spicules
  d. Zooxanthellae



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

shewald78

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Aug 22, 2018
Answer to Question 1

ANS: C
Approximately 90 of all living bony fish are in the order Teleostei. There are a variety of fin,
camouflage, migration patterns, and social interactions to occupy every marine environment.
Information can be found in the section Fishes Are Earth's Most Abundant and Successful Vertebrates



Answer to Question 2

ANS: C
Spicules are made of calcium carbonate or silica. They prevent the internal cavities from collapsing.
Spongin, a protein, provides the same function. Information can be found in the section Invertebrates
Are the Most Successful and Abundant Animals.



imanialler

  • Hero Member
  • *****
  • Posts: 539
Reply #2 on: Aug 22, 2018
Thanks


shewald78

  • Sr. Member
  • ****
  • Posts: 340
Reply #3 on: Aug 22, 2018
Welcome :)


« previous next »
 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Eye configuration of a Hogna species Eye configuration of a Hogna species
Average Number of Hours Slept per Day by Various Mammalian Species Average Number of Hours Slept per Day by Various Mammalian Species
Here, in alphabetical order, are 20 foods and 4 cultures. Here, in alphabetical order, are 20 foods and 4 cultures.
The Spinal Cord Is Protected by the Bony Structures of the Vertebrae. This Drawing of a Cervical Ver The Spinal Cord Is Protected by the Bony Structures of the Vertebrae. This Drawing of a Cervical Ver
Harry and Gus fish the same lake together from the same boat. Each morning Harry typically ... Harry and Gus fish the same lake together from the same boat. Each morning Harry typically ...
Video: Junction Types - Tight and Adherens Junctions

For a complete list of videos, visit our video library