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
MAXImum [283]
3 years ago
5

Many though not all mollusks have a shell. what secretes the shell

Biology
1 answer:
sashaice [31]3 years ago
6 0

Mantle

In mollusks with shells, the outer cells of the mantle secrete calcium carbonate and conchiolin to form the shell. The mantle is the body wall of a mollusk. It resides below the shell where it covers the body of the animal.






You might be interested in
Please help 100 points
xeze [42]

Answer:

1. Carbohydrates - It serves several key functions in your body. They provide you with energy for daily tasks and are the primary fuel source for your brain's high energy demands. Fiber is a special type of carb that helps promote good digestive health and may lower your risk of heart disease and diabetes.

2. Protein- You use protein to make enzymes, hormones, and other body chemicals. Your body also uses protein to build and repair tissues. Protein is an important building block of bones, muscles, cartilage, skin, and blood.

3. Lipids - This is essential for all life on Earth. They play many important roles in maintaining the health of an organism. Arguably the most important function lipids perform is as the building blocks of cellular membranes. Other functions include energy storage, insulation, cellular communication and protection

4. Nucleic acids are very important for cell functioning, and therefore for life. There are two types of nucleic acids, DNA and RNA. Together, they keep track of hereditary information in a cell so that the cell can maintain itself, grow, create offspring and perform any specialized functions it's meant to do.

5 0
3 years ago
Polar bears give birth and hunt on sea ice. Which of the following would help polar bears survive during the melting of Arctic i
Stells [14]

Migrate inland to search for different food sources

4 0
3 years ago
Read 2 more answers
The nuclear equation shows the transmutation of a form of radon into polonium and an alpha particle. In one tho two sentences, e
padilas [110]

The equation is balanced because the mass and charge are equal on both sides of the reaction equation.

In a nuclear reaction, one nucleus is transformed into another. In this case of the equation shown, the radon nucleus is being transformed into a polonium nucleus with the emission of an alpha particle.

The equation is balanced because a total mass of 219 is found on both sides of the reaction equation and a total charge of 86. Recall that an alpha particle is the same as a helium nucleus with a mass of four units and a charge of two units.

Learn more: brainly.com/question/13440572

7 0
2 years ago
Match
lilavasa [31]

Answer:

all the exact answers are mentioned below while one of them is still confusing as the answer is not exactly matching which is about the first responders and initial walk through  through as there you can use 2 options instead of one

Explanation:

1. Corpus delicti ____ is required of the prosecution showing that the wounds were maliciously inflicted and not self-inflicted proves that a crime has been committed.

2.  

The Physical evidence which could provide a lead ____ is on the shoulders of the police and investigation team.

3.

Chain of custody _____ is taking authority of the crime scene by securing the safety of both people and the crime scene, especially the physical evidence.

4. Burden of proof____ is the documenting protocol which must be adhered to in order for evidence to be valid in court.

5.

_ Securing the crime scene ____ is seen in the paper trail across the lawn and through the hedge

6.

First responders_____ are medical, fire, or police emergency personnel dispatched to an emergency of any kind.

7.

__ Reconstruction ___ utilizes the facts gleaned from the evidence to link the various events and participants at the crime scene.

8.

The  initial Walk Through_ is done with the first responding officer.

9.

A __ Search warrant ___ is a document signed by the district attorney authorizing the search of a building for the purpose of collecting evidence.

6 0
3 years ago
In fruit flies, curved wings are recessive to straight wings, and ebony body is recessive to gray body. A cross was made between
KATRIN_1 [288]

Answer:

Population of F2 generation will be formed on 9:3:3:1 ratio.

Explanation:

The predicted phenotypic ratios of F2 generation is 9:3:3:1. Ratio 9 represents straight wings, gray body which are dominant allele, ratio 3 represents hybrid flies having curved wings, gray body, ratio 3 represents hybrid flies having curved wings, ebony body and ratio 1 indicates flies with curved wings, ebony body. The population of F2 generation will be formed on the above ratio.

5 0
3 years ago
Other questions:
  • Maria is studying fungi in a forest. She makes some observations and takes some notes on a variety of fungi found on the forest
    11·1 answer
  • Which of these statements is not accurate, according to the text? ​ ​teenagers who don't get enough food to eat are more likely
    13·1 answer
  • what method best explains how an organism regulates its blood pressure in response to a stimulus that causes a drop in blood pre
    8·2 answers
  • Select all the depositions features that are listed below.
    6·1 answer
  • Incomplete Dominance and Codominance You are studying leaf development in a member of the mustard family. You identify several m
    9·1 answer
  • water molecules can pass into a cell while larger molecules cannot. which feature of a cell allows this to be true
    14·1 answer
  • What are reverse-transcribing viruses?
    15·2 answers
  • Whats the difference between an autotroph and a heterotroph.?
    7·2 answers
  • What is a plant cells
    11·2 answers
  • If the DNA content of a diploid cell in prophase I is x, what would it be for the same cell at prophase II?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!