Respiratory and Circulatory
1.Earth spins on its ___________________________ (4 Points)
Answer:
axis once in every 24-hour day
Which statement best describes a hypothesis?
O A. It must be true,
B. It must be testable,
O C. It must be a theory.
O D. It must be permanent.
// PLEASE ANSWER //
How are plants called epiphytes adapted to living in the understory of a rainforest?
a.) They have waxy leaves.
b.) They lose their leaves in some seasons to adapt to harsh temperatures.
c.) They are able to use moisture from the air.
Answer: The answer is (A), they have very waxy leaves.
Explanation:
Answer:
The answer is (A)
Explanation:
Which feature separates watersheds?
basins
bays
ridges
rivers
Answer:
Which feature separates watersheds? C.ridges
A.basins
B.bays
C.ridges
D.rivers
Explanation:
Ridges feature separates the watersheds. Therefore, the correct option is C.
What are Watersheds?A watershed is a piece of land that directs water into a particular body of water. A watershed exists for every body of water. Rainfall and melting are channelled into rivers and streams by watersheds.
Lakes, bays, and oceans are among the bigger bodies of water that these smaller ones flow into. Water travels across the landscape with the assistance of gravity.
The area of land known as a watershed is responsible for directing precipitation and snowfall into creeks, streams, and rivers, and ultimately outflow places like reservoirs, bays, and the ocean.
A small mountain creek's watershed may only be a few square meters in size. Some watersheds are very large and typically cover numerous smaller ones. Ridges separates the watersheds
Therefore, the correct option is C.
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The chart shows characteristics of two groups of reptiles.
Which headings correctly complete the chart?
X: Turtles
Y: Crocodilians
X: Crocodilians
Y: Turtles
X: Snakes
Y: Turtles
X: Crocodilians
Y: Snakes
Answer:
X: Crocodilians
Y: Snakes
Explanation:
Answer:
X: Crocodilians
Y: Snakes
Explanation:
which environment was the spray found in?
a. meadow
b. evergreen forest
c. marsh
d. woodland
answer is woodland
Answer:
The answer is D: Woodland.
Explanation:
Thankyou for your time!
Which is a function of nucleic acids?
regulate cell processes
provide structure
break down energy
fight disease
last one ...........
During the investigation of a murder case, the police found a few bloodstains on the body of the victim, a few bloodstains on the wall nearby
and a few hair follicles by the victim. How could this evidence be used to identify the murderer?
A by matching both blood samples (from the wall and from the victim) to the DNA of the victim
B. by matching both blood samples (from the wall and from the victim) to the police database of DNA profiles of convicted
offenders
C. by matching the DNA in the hair follicles and in both blood samples (from the wall and from the victim) to that of the victim
and to the DNA database of convicted offenders
Based on what you know about feedback mechanisms in the endocrine system, explain why
the body of an athlete who takes an artificial form of testosterone, such as a steroid, might stop
producing his own testosterone.
how are foodbourne pathogens transmitted?
Answer:
Explanation:
Other diseases are poisonings caused by harmful toxins or chemicals that have contaminated food. Of note many foodborne pathogens also can be acquired through recreational or drinking water, from contact with animals or their environment, or through person-to-person spread
complete this Punnett square
enter your answer in the space provided.
Answer:
First square: Tt
Second square(below): tt
Third row(first): Tt
Third row(below): tt
Explanation:
I solved it on paper by myself
Consuming too much protein or excess amino acids can contribute to
Consuming too much protein or excess amino acids can contribute to dehydration, hence option E is correct.
What is a high-protein diet?A high-protein diet defines as when you consume an excess of protein in a diet that is higher than the normal need of the body.
The research suggests, is that high-protein diets can cause dehydration. Protein is composed of amino acid which is made of nitrogen. When a person consumes large amounts of protein, the body washes out excess nitrogen with fluids and water.
A higher amount of protein consumed is generally stored as fat, while the excess of amino acids is excreted. This can cause weight gain after some time, specifically if you take too many calories while trying to increase your protein input.
Therefore, high protein or excess amino acids can contribute to dehydration.
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The given question is incomplete so the most probable complete question is,
Consuming too much protein or excess amino acids can contribute to?
a. coronary artery disease
b. stroke
c. dehydration
d. arthritis
e. Dehydration.
Drag each label to the correct location on the diagram. Each label can be used more than once, but not all labels will be used.
The diagram shows some of the steps in the flow of energy through an ecosystem. The arrows represent the transfer of energy. Label each
arrow with the type of energy being transferred.
chemical
electrical
thermal
radiant
nuclear
Answer/Explanation:
=> The first arrow linking the sun and the plants represents transfer of RADIANT energy. The sun through its sunlight radiation provides energy for autotrophs such as plants to manufacture their food.
=> The second arrow from plants to rodent represents transfer of CHEMICAL energy. The chemical energy that is manufactured and stored between the molecules of the plant as food, is transferred to rodents as primary consumers.
=> Third and fourth arrow from the rodent to owl, and from the rodent to the wolf both represents CHEMICAL energy transfer.
=> Fifth arrow from the wolf to the surroundings show heat loss during metabolic processes in the wolf's body which represents THERMAL energy transfer from the wolf to the environment.
=> The width arrow from the wolf to decomposers also show THERMAL energy transfer as the wolf dies and decay, Hera is released.
The arrows represent the transfer of energy which are described as follows:
1. Radiant energy
2. Chemical energy
3. Chemical energy
4. Chemical energy
5. Thermal energy
Radiant energy is transferred through the first arrow connecting the sun and the plants. Sunlight gives autotrophic organisms like plants the energy they need to produce food. The transfer of chemical energy from plants to rodents is shown by the second arrow. Rodents are the main consumers of chemical energy that is produced and stored as food between plant molecules.
The third and fourth arrows, from rodent to owl and from rodent to wolf, respectively, both indicate the transmission of chemical energy. The fifth arrow shows heat loss from the wolf's body during metabolic activities, indicating thermal energy transfer from the wolf to the surrounding environment.
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Living things that are well adapted to their environment survive and reproduce. Those that are not well adapted don’t survive and reproduce. An adaptation is any characteristic that increases fitness, which is defined as the ability to survive and reproduce. What characteristic of the mice is an adaptation that increased their fitness?
The tendency of an organism to reproduce and survive in the environment in which they thrive is termed as fitness of that organism.
• The mice are considered to be the second most successful mammal on the planet today.
• Mice possesses the tendency to change with the stresses and environment in which they thrive.
• Due to their close association with humans, house mice possess the tendency to live in very dry or hot conditions or in very cold conditions where they could not survive alone.
• The mice possesses the tendency to reproduce at a very high rate, thus, there are always individuals, which can survive.
• They have the tendency to sense their surroundings like other mammals, they even possess good hearing and vision.
• They have large cup shaped ears, which assists them to sense vibrations of sound.
• They also possess good sense of smell and whiskers that helps them to feel air movements and feel surface textures.
Thus, mice are equipped with several elements that helps them to adapt in the environment in which they live, that is, have increased fitness level.
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Which of these are found in the excretory system?
O A. Myofibrils
B. Villi
C. Nephrons
D. Osteoblasts
Which of the following is the independent variable in the hypothesis- "If you study harder, then your grade will improve."
What class you are taking
Your starting grade
The change in your grade
The amount you study
Answer:
Your starting grade is the independent variable
Explanation:
Hope that helps
um i need help please and thank you...
Answer: a, c, f
Explanation:
The height for those are closest to the height of humans, which means they’re most similar in brain volume
Where does carbon cycle occur?
Answer:
On Earth, most carbon is stored in rocks and sediments, while the rest is located in the ocean, atmosphere, and in living organisms. These are the reservoirs, or sinks, through which carbon cycles.
Explanation:
hope this helps
Answer: sedimentary rocks where most of the earths carbon is stored
Explanation: hope this helped
what is the two-word term for tracking a disease by gathering data on the movements and interactions of someone infected?
Answer:
Explanation:
Diagnosis - A disease must be diagnose this can be done by group of expertise. They diagnose one to two persons with the disease asking them questions about their state of health, how they were expose to the illness. This enable them have enough evidence as regarding the disease.
Signs and symptoms - signs are traces to a disease it is determined by an experts while the symptoms are the abnormalities or changes that indicate the disease.
Which best describes a bird’s role as it eats seeds?
parasite
predator
habitat
niche
Answer: niche
I hope this helps :)
Answer:
niche
Explanation:
explain how toothpaste works in cleaning teeth and preventing dental caries
Answer:
It has special items in the substance that are specialized for whitening and preventing things such as cavities.
Explanation:
Answer:
Toothpaste protects our teeths from unwanted bacteria in our mouth. It promotes oral hygiene.
It removes the food from the teeths which we have after the meal and it also prevents tooth decay.
hope it helps!
Brainliest!!! please help me it's almost due.
Someone please help me
7. Explore and discuss homeostasis imbalances (issues that cause problems) including gallstones, heartburn, ulcers , dehydration, diarrhea, cirrchosis and cancers of the digestive system. **look up these conditions
In a Venn diagram, the separate circles contain characteristics unique to each item being compared and the intersection contains characteristics that are common to both items being compared. Abi is working on a Venn diagram comparing theories and laws.
Which can he place in the intersection?
“based on a single hypothesis”
“can be changed”
“factual statement”
“based on repeated experimentation”
HEEELP MEEEEEThe following are microscope images of cells going through a cell division process. Use your knowledge on the topic to put the images below in an order that makes sense. In the space beneath the photos write a justification for your order
(USE THE PHOTO BELOW)
______ ______ ______ ______ ______ ______
1 2 3 4 5 6
Identify the six different phases by name. Record characteristics that you used to determine what the order is for each phase. (how do you know which is which)
A- Prophase
B- Cytokinesis
C-Interphase
D- Telophase
E- Metaphase
F-Anaphase
What is cell cycle?A cell's growth and division are accompanied by a sequence of processes known as a cell cycle. A cell spends the majority of its time in what is known as interphase, where it develops, duplicates its chromosomes, and gets ready to divide. The cell then exits interphase, goes through mitosis, and finishes dividing.
Mitosis consists of four basic phases: prophase, metaphase, anaphase, and telophase.
The chromosomes shorten and thicken during prophase. Chromosomes align in the center of the cell during metaphase. Chromatids split off at the centromere and migrate to opposite poles during anaphase. Telophase: Following the reorganization of nuclear envelopes around each cluster of chromosomes, two nuclei are created.
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Why does the process of meiosis create more genetic variety than the process of mitosis?
Answer:
Meiosis creates more genetic variety than the process of mitosis because meiosis involves two people but in mitosis its just a replication of the cell.
(Sorry if this isn't correct I just thought of it from the top of my head)
Explanation:
Interesting Facts (don't tell me definition cuz I already know it) about xylem, at least one
Answer:
Its cells have thick, hard walls.
Explanation:
Answer:
-xylem cells are long tracheary elements that transport water.
-dead cells are similar like pipes, hollow and rigid.
Convert the following measurements. 2L = __________ ml 5000 kg = ______ t 500 mg = ______ g 8000 mm = ____ m 25g = ________ mg
This food web describes feeding relationships in a tropical community.
boa constrictor
beetle -
coati
poison dart frog
sloth
strangler fig
fungus
fruit bat
If an invasive species of beetle enters this community, which change is most
likely to happen?
In the given food web if the beetle that is invasive enters the community, it will result in an increase in competition for sunlight and space among plants.
What is an invasive species?The non-native species that enter the ecosystem can be any organism including amphibians, birds, insects, etc referred to as invasive species.
In the given food web if the beetle that is invasive enters the community, it will result in an increase in competition for sunlight and space among plants.
Thus, the scenario will show an increase in the competition for sunlight and space among plants.
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How does the air we inhale compare to the air we exhale?
A. The air we inhale has the same percentage of oxygen as the air we exhale.
B. The air we inhale has a greater percentage of oxygen than the air we exhale.
C. The air we inhale has the same percentage of carbon dioxide as the air we exhale.
D. The air we inhale has a greater percentage of carbon dioxide than the air we exhale.
Answer:
B. The air we inhale has a greater percentage of oxygen than the air we exhale.
Explanation:
First, inhaled air contains about 21% oxygen. Some proportion of this oxygen is used to oxygenate the blood in the alveoli of the lungs for eventual use in cellular respiration. Hence, the proportion of oxygen in exhaled air will be significantly lesser than the proportion of oxygen in inhaled air. Indeed, exhaled air contains about 16% oxygen.
On the contrary, the air we inhale has a lesser percentage of carbon dioxide (0.04%) than the air we exhale (4.4%) due to the additional carbon dioxide produced as a byproduct of cellular respiration—which must be excreted by the lungs.
What is a vaccine made out of?
Answer: Vaccines are made from a protein or other small pieces taken from a virus or bacteria.
Explanation: A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. Meaning my answer is correct.
Answer:
A vaccine is made of dead or inactive versions of the pathogen. A vaccine is usually injected into the body, the first thing that will happen is that the white blood cells recognise that there is a foreign item within the body so the white blood cells will produce antibodies. This means that in the future if the virus enters your body again, your immune system will be able to quickly defend of the virus since the made the immune system produce antibodies
Explanation: