Which of the images below depicts a healthy reef ecosystem?

Image A, B, C, or D?

Answer:

A is the answer i think because it has more reef

Me pueden ayudar con la respuesta? Es urgente!

The light reactions can only occur in the absence of light.
A. True

B. False

Individual bones are organs.
A. True

B. False

Which Ali combination represents a male who has an X-linked recessive disorder

the lacteal is responsible for the transport of
A. Fats
B. Blood
C. Protons
D. carbohydrates​

Any reaction that is not intended is called

I NEED HELP PLEASE ANSWER FAST
A population of wolves migrates north in search of food. As the wolves travel, they enter a region that has long, snowy winters. Some of the wolves have an allele that gives them white coats. This makes them better able to sneak up on prey.

1. Which type of wolf is selected for in this new ecosystem?

2. Has genetic diversity helped or hurt the survival of the wolf population? Explain.

chromosomes_____ select all that apply
-always occur in pairs
-are tight coils of dna
-can be analyzed in a karyotype
-carry thousands of genes
-are carried on genes

12. Flowers whose reproductive structures consist only
of stamens would be able to produce
A) fruits with seeds
B) fruits without seeds
C) pollen
D) ovules

what is the process of transformation?
infecting bacteria with bacteriophages
adding foreign DNA to a bacterial cell
copying foreign DNA into RNA
causing mutations in viral genetic material

A single-celled organism can be classified as a prokaryote based on the absence of-

- The ability of an ecosystem to maintain a steady equilibrium by responding to
internal and external negative feedback systems describes -

Question 4 of 10
What is the main function of the circulatory system?
O A. To break down food into molecules of nutrients
B. To collect wastes made by cells and remove them from the body
O c. To carry nutrients to cells and wastes away from cells
O D. To protect the body from pathogens that can cause infection
SUBMIT

PLS HURRY AND NO LINKS PLEASE
If a long tail is a dominant characteristic, in which case is the characteristic of a long tail definitely expressed?
A when both parents have a long tail
B when neither allele contains instructions for a long tail
C when at least one parent has a long tail
D when at least one allele contains instructions for a long tail

All of living and noliving things in a particular area

What is an agricultural subsidy?
Select one:
- A sum of money paid to farmers and agribusinesses by the government to
supplement their income and manage crop supply
-A sum of money paid to farmers and agribusinesses by the government in
exchange for their land and machinery
о
-A bank loan available to commodity crop farmers in case market prices fall

27. Which statement best describes a chromosome?
A) It is a gene that has thousands of different
forms.
B) It has genetic information for traits of an
organism that is contained in DNA.
C) It is a reproductive cell that influences more
than one trait.
D) It contains hundreds of genetically identical
DNA molecules for one trait.

help with biology please

ARTS :


true. or. false. ​

Please Help.

What is the name of the process that plants use to remove carbon dioxide from the atmosphere?

1.) transpiration
2.) photosynthesis
3.) respiration
4.) decomposition

True or False: The most fertile agricultural land in North America is used to produce mostly wheat and corn.

Compare how the human body breathes in and out. Describe what happens to the ribcage, the diaphragm and chest volume. use key scientific words. Well detailed please.
I’ll give brainliest

Salad vegetables are cut and placed in plain water. Why?

Which is an example of an ecosystem change that resulted from human activity?

La coordinación nerviosa controla funciones de sensibilidad y respuesta inmediata ante los estímulos recibidos. Una de las funciones primordiales de la médula espinal se concentra en:

a)regular la temperatura corporal
b)controlar el sueño y la vigilia
c)el arco reflejo
d)la memoria

Why do scientists only test one independent variable in an experiment?

A functional or physiological adaptation:
A. Is a physical feature of an organism that helps it survive

B. Allows an organism to perform special functions within the body

C. Is a behavior that is taught after birth

What is the purpose of the heart in the circulatory system?
Select one:

It provides oxygen during the release of hormones.

It is the muscle the pumps blood around the body.

It prevents pathogens from invading the organism.

It controls all of the body's functions.

The chemical substances in our environment to which we respond can be called?
A. stimuli
B.impulses
C.responses
D.sense cells

Item 5 What is the role of a generator in producing electricity? The generator stores electrical energy for later use in homes and businesses. The generator spins the turbine to create mechanical energy. The generator transforms the mechanical energy of the turbine into electrical energy. The generator reverses the turbine to create electrical energy.