Answer:
A. Positive
Explanation:
The release of oxytocin from the posterior pituitary gland during labor is an example of positive feedback mechanism. Oxytocin stimulates the muscle contractions that push the baby through the birth canal. The release of oxytocin result in stronger or augmented contractions during labor.
A positive feedback is an increase, while a negative feedback is a decrease.
a) Name one producer.
b) Name one primary consumer.
c) Name one secondary consumer.
d) Name one top carnivore.
e) How is energy transferred from one trophic level to the next?
f) Which trophic level has both the greatest amount of energy and the greatest amount of
biomass?
g) Suppose a large volcanic eruption occurred and a thick cloud of ash completely blocked
sunlight from reaching this prairie ecosystem for several months. Explain how the transfer of
energy and the transfer of matter would be affected by this event.
L
Answer:
Explanation:
just search what a primary consumer is
When humans come to a previously pristine environment, they inadvertently bring organisms with them that can be harmful to the local flora and fauna. Such organisms are known as _____.
Answer:
INVASIVE species
Explanation:
In biology, an organism is said to be INVASIVE if the organism is foreign to a particular region or habitat and possess the unpleasant ability to proliferate or grow rapidly to the point of competing with local species of organisms.
According to this question, humans are said to introduce organisms that have the ability to harm the local flora and fauna. Hence, these organisms are INVASIVE SPECIES because they are foreign to that place and cause damage in their new environment.
Someone plz help
Giving brainliest
Answer:
What are the instructions? Let me know so I can help in the comments :)
Need help! Would it be asexual or sexual
Answer: asexual
Explanation:
How did science play a role in diagnosing the water problem in Flint
Answer:
Explanation:
by desolving it
1. Do you think it is fair that Watson and Crick were credited with the discovery when so many other scientists were involved? Why or why not? Think about your opinion and then back it up with at least one fact.
Answer:
No.
Explanation:
I don't think it is fair that Watson and Crick were credited with the discovery when so many other scientists were involved because all other scientists also contributed in the work and work harder for it so the credit must be given to all scientists. If the credit will not given to other scientists so it is an unfair act so my opinion is against the credit given to Watson and Crick.
Can someone please help with this and explain! I will mark brainliest!!!
Answer:
D Flow of protons across an electrochemical gradient
Explanation:
The chloroplast adenosine triphosphate (ATP) synthase uses the electrochemical proton gradient generated by photosynthesis to produce ATP, the energy currency of all cells. Protons conducted through the membrane-embedded Fo motor drive ATP synthesis in the F1 head by rotary catalysis.
In chloroplasts, photosynthetic electron transport generates a proton gradient across the thylakoid membrane which then drives ATP synthesis via ATP synthase.
The light-induced electron transfer in photosynthesis drives protons into the thylakoid lumen. The excess protons flow out of the lumen through ATP synthase to generate ATP in the stroma.
Majority of ATP is produced by OXIDATION PHOSPHORYLATION. The generation of ATP by oxidation phosphorylation differs from the way ATP is produced during glycolysis.
Electrons are passed from one member of the transport chain to another in a series of redox reactions. Energy released in these reactions is captured as a proton gradient, which is then used to make ATP in a process called chemiosmosis.
D.Flow of protons across an electrochemical gradient
is the correct answer
why is it important for environmental scientists to have a background in many fields of study
Answer:
With these rapid changes, there is a need to study each step that may alter the environment so that the natural ecosystem may still be protected or replaced by a better one. Environmental science is important to save our world from destruction. Because of man's abusive actions, the environment is not safe anymore.
98.9 grams Na-
Convert to moles
Answer:
4.31877 moles
Explanation:
I believe its around 4.30 moles.
98.9g over 1 times 1 over 22.90 this is the molar mass of na= 4.31877 moles
Hope this helps!
Help PLEASEEEEEE. WHAT DO I PUT IN THE GRAPH !!!!!111
1Which of the following is NOT true of meiosis?
a. Meiosis results in identical daughter cells
b. Meiosis results in genetically unique cells
c. Meiosis results in gametes
d. Meiosis allows for sexual reproduction
Answer:
B
Explanation:
Meiosis is not a result in genetically unique cells
!!!!!!!!!!!!PLEASE HELP ME PLEASE PLSEASE!!!!!!!!!!
Answer:
look at the directions and muitply by 2
Explain what you would have to do to the date on your watch if you were tocross over the International Date Line from east to west.
a. Change it to the next day
b. Move it back 1 day
c. Change it to the next year
d. Move it back 1 year
Answer:
(b)
Explanation:
The description of a trait through gene expression (long hair, black fur, short tail) is called an organism's _______________.
Answer:
Phenotype.
This is what is expressed on the "outside" of the organism
Which of the following is NOT a characteristic of bacterial soft rot?
O Foul odor
O Tissues become saturated
O Leaf tips dry out
P
ang
Bacteria clogs vascular system
1
2.
Answer:
answer is leaf tips dont dry out
How do animals living in social groups affect the animals nutritional needs?
Answer:
they can have a happy life and rely on others for a social interaction... even if they are animals they need this
What are some factors that could affect a forensic entomologist's estimate of PMI?
Answer:
Temperature , Insects and Time
Explanation:
Including some of the most common variables influencing post-mortem period predictions are thoroughly investigated, like temperature, grave size, and parasite exposure to the bone. Diptera are also the insects of highest forensic concern because of their behavior and massive worldwide spread.
Can some one help me on 4-5 I need the help plzzzzz
Answer:
What does the fox say?!?!?!?!?!?!?
Explanation:
NI NI NI NI NIN IN IN IN IN INININININININININNINI
HELP ASAP!!!
Radiation continues to be detected in the area surrounding the abandoned
nuclear power plant at Chernobyl, which experienced a nuclear accident in
1986. How does this fact illustrate a concern that people have with nuclear
energy as a source of electricity?
O A. It shows that any type of radioactive material will have harmful
effects on organisms in the environment.
O B. It shows that chain reactions are still happening in the reactors at
the nuclear power plant.
O C. It shows that radioactive materials released at nuclear power
plants remain radioactive and persist in the environment.
O D. It shows that nuclear power plants always leak a small amount of
radiation into the environment.
Answer:
C)
Explanation:
I hope this helps :)
Answer:
its D.
Explanation:
just took quiz
I need help i don’t know this :(
Answer:
I think D
Explanation:
dahil yan yung totoo na answer
If an animal has both male and female
parts, what is it called?
A. hermaphrodite
B. autotroph
C. two species
D. parasite
Answer:
option A is correct answer hope it helps
2. How are the differences in animal cells related to their functions?
3. How are cells organized within an animal?
I will give extra points!!
Please help me number 21 need ASAP ....
Answer:
Adenine, Guanine, Cytosine, and Uracil.
Explanation:
HELP FAST!!!
One difference between cell division in plant cells and in animal cells is that plant cells have...
A. centrioles.
B. centromeres.
C. a cell plate.
D. chromatin.
it's cell plate but give brainliest to the person above they helped me out too, its why i'm answering
help help pls will mark brainliest if i can
brain-nucleus
skin- cell membrane
stomach- mitochondria
blood- cytoplasm
Why is DNA locked in the nucleus of the cell ?
Answer:
Inside the nucleus lies the blueprint that dictates everything a cell will do and all of the products it will make. This information is stored within DNA. The nucleus sends “commands” to the cell via molecular messengers that translate the information from DNA.
Explanation:
Describe the structure of a virus.
Answer:
All viruses contain nucleic acid, either DNA or RNA (but not both), and a protein coat, which encases the nucleic acid. Some viruses are also enclosed by an envelope of fat and protein molecules. In its infective form, outside the cell, a virus particle is called a virion.
Explanation:
The body cells of hamsters have 44 chromosomes. How many chromosomes would the sex cells of a hamster have? Explain.
Answer: 22
Explanation:
Answer:
hamster has 22 sex cells because they just do
Explanation:
like mofo
IS ANYBODY ALIVE!!! I NEED HELP COMMENT ON THIS IF YOU WANT TO KNOW THE QUESTION. I WILL TAKE ALL HELP I CAN GET 2 ANSWERS BUT I CAN TAKE MORE ANSWERS IN THE COMMENTS BUT I NEED ONE REALLY GOOD ANSWER. SOMEBODY PLEASE RESPOND AND HELP ME!!
YESSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
Answer: yes i am alive
Explanation: I am breathing
Balanced forces do not result in any change in motion. forces: forces applied to an object in opposite directions that are not equal in size. Unbalanced forces result in a change in motion. friction: the force that opposes the motion or tendency toward motion of two objects that are in contact
NEED ANSWER
WILL GIVE BRAIINLIEST
Tay Sachs disease is an autosomal recessive disorder involving the hexoaminidase gene. What type of mutation occurs in this gene?
Tay-Sachs disease is caused by mutations in the HEXA gene and inheritance is autosomal recessive . The HEXA gene gives the body instructions to make part of the beta-hexosaminidase A enzyme, which is needed to break down a substance called GM2 ganglioside.
i hope this helped! please mark me as brainliest and 5 stars >:)
Answer:
Frameshift mutation
Explanation:
A frameshift mutation is a genetic mutation caused by insertions or deletions that shift the whole sequence.