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
inn [45]
3 years ago
15

A recent study of the marine hawksbill turtle's stomach contents revealed that sponges constitute a major portion of their diet.

Sponge beds are generally protected from predators by the sponge's calcium and silica crystals, but these were found in quantity in the turtles' digestive systems. These structures that protect the sponges from most predators, but not turtles, are Select one: a. amoebocytes. b. the osculum. c. choanocytes. d. spicules. e. spongin.
Biology
1 answer:
Rus_ich [418]3 years ago
5 0

Answer:

<h3>d. Spicules</h3>

Explanation:

  1. Hawksbills turtles are found mainly in  tropical oceans, i.e. in coral reefs. Sponges are found in abundance in these regions.
  2. They got narrow & pointed beaks which help them to extract the sponges from reefs crevices.
  3. They help in maintaining a balance in the marine ecosystems by feeding on these sponges and in return to it the health of coral reefs as well as of sea grass beds is enhanced.
You might be interested in
What category do the individual organisms we can see with our naked eye fall in to?
Pani-rosa [81]

The Eukarya domain.

The organisms can be divided into three domains, based on the type of cell that the organism is made of:

<span><span>Bacteria domain: cells do not contain a nucleus.
</span><span>Archaea: cells don't contain a nucleus and they have a different cell wall from bacteria.</span><span>
Eukarya
: </span></span>They keep their genetic material inside the nucleus. Composed by animals, protists, plants and fungi


5 0
3 years ago
Birth defects due to radiation are a concern also. why is a fetus especially at risk?​
Lilit [14]
A fetus is especially at risk because they are under developed and easily susceptible to sicknesses or radiation
7 0
3 years ago
Read 2 more answers
Distinguish between the contribution of genes and the environment to phenotypes
rusak2 [61]
<span>Gene experssion are influenced by enviroment. the best example is skin color in case of human for e.g if person with fair color or white complexion goes to africa or any part where sun exposure is more his or her color gets dark .the darking of skin is due to melanin production. see here person is same only difference is in enviromental condition due to which gene which are responsible for the production of melanin are produced.
I hope u understood it</span>
7 0
3 years ago
Select all the molecules that have stored potential energy and that can be used in aerobic respiration to generate atp.
Masteriza [31]

Carbohydrates, lipids, and protein have potential energy, and can be used in aerobic respiration to generate .

Carbohydrate- A carbohydrate is a naturally occurring substance or a derivative of one, made composed of molecules of carbon, hydrogen, and oxygen. The most prevalent organic compound is a carbohydrate, and all life depends on them.

Lipids- Fatty, waxy, or oily molecules are referred to as lipids. They are soluble in organic solvents but insoluble in polar solvents like water.

Protein- Large, intricate molecules known as proteins serve a variety of vital functions in the body. They are crucial for the construction, operation, and control of the body's tissues and organs and carry out the majority of their job inside cells.

To know more about the ATP, click on the below link,

brainly.com/question/174043

#SPJ4

3 0
2 years ago
What is nanometres into mm??
Mnenie [13.5K]

Answer:

1 millimeter is 1,000,000 nanometers

Explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • In the fossil record, there is no evidence of anything living on land before plants. Why are plants necessary before more compli
    6·1 answer
  • Sebaceous secretions associated with hair follicles that secrete an oily, odorous, messy secretion are due to what type of secre
    14·1 answer
  • Which feature distinguishes slime molds from fungi?
    14·2 answers
  • Algae in an aquatic food chain convert solar energy into 93,000 kilocalories of plant tissue. Which of the following values best
    10·1 answer
  • The use of Crizotinib to inhibit the activity of MET, a tyrosine kinase that is abnormal in a number of tumors.The use of Erbitu
    9·1 answer
  • a few memebers of a population are immune to a diseise that kills many others they survive and reproduce wat is this an example
    11·1 answer
  • How could you use iron filings to tell which of two bar magnets is stronger?
    10·2 answers
  • Can someone help me with these assignments because im having alot of trouble
    6·1 answer
  • My question is how do I solve #5? Also can someone explain what F1 &amp; F2 generations are?
    14·1 answer
  • If the ocean current starts near the equator, can it warm up the air of any location it passes? *
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!