Answer:
The tiger's closest living relatives were previously thought to be the Panthera species lion, leopard, and jaguar.
Explanation:
Results of genetic analysis indicate that about 2.88 million years ago, the tiger and the snow leopard lineages diverged from the other Panthera species, and that both may be more closely related to each other than to the lion, leopard and jaguar. The geographic origin of the Panthera is most likely northern Central Asia or the Holarctic region. The tiger–snow leopard lineage dispersed in Southeast Asia during the Miocene.
Panthera zdanskyi is considered to be a sister taxon of the modern tiger. It lived at the beginning of the Pleistocene about two million years ago, its fossil remains were excavated in Gansu province of northwestern China. It was smaller and more "primitive", but functionally and ecologically similar to the modern tiger. It is disputed as to whether it had the striping pattern. Northwestern China is thought to be the origin of the tiger lineage. Tigers grew in size, possibly in response to adaptive radiations of prey species like deer and bovids, which may have occurred in Southeast Asia during the Early Pleistocene.
Where are you most likely to find ligaments in the body?
A joints between long bones
B joints between two or more irregular bones
C joints between a long bone and a short bone
D joints between muscles and bones
Answer:
( A. joints between long bones )
Answer: joints between long bones
Explanation:
Four features of honeybee
Answer:
Bees have 5 eyes.
Bees have been here around 30 million years.
Bees can fly at a speed of 20 miles per hour.
Bees are insects, so they have 6 legs.
An average beehive can hold around 50,000 bees.
Male bees in the hive are called drones.
Female bees in the hive (except the queen) are called worker bees.
Explanation:
Honeybees have black and yellow stripes, a stinger, 5 eyes, and they have 6 legs.
Which is not an example of matter and energy cycling three living things
Answer:i'm going with 1 or b
Explanation:
discribe the passive transport movement of a substance down it's concentration gradient through a protein channel embedded in the cell membrane
Answer:
The passive transport of a substance by its concentration gradient through a protein channel is called facilitated diffusion.
Explanation:
Facilitated diffusion is a type of passive transport through the membrane, which involves the use of integral proteins called protein channels or transport proteins, and moves substances unable to cross the membrane by simple diffusion.
An example of facilitated diffusion through protein channels is the ion channel. Ions, being electrically charged particles, cannot pass through the plasma membrane. A protein channel -which crosses the whole thickness of the membrane- constitutes a space where ions can move depending on their concentration gradient.
In facilitated diffusion, both protein channels and transport proteins do not require energy, so it is a transmembrane passive transport process.
Zero elevation is also known as
A. peak
B.profile
C.sea level
D.base
PLS HELP : What is the purpose of apoptosis?
Check ALL that apply.
(4 Points)
to make sure it has enough water
eliminates unnecessary cells
removes unhealthy cells
takes out damaged cells
Which of the following is true about ecology? (1 point)
Ecology is a philosophy that seeks to limit harm to the natural world.
Ecology is a practice that emphasizes preservation of life.
Ecology is an area of study that focuses on interactions in nature.
Ecology is a strategy for sustainable living.
Answer:
c
Explanation:
Ecology is an area of study that focuses on interactions in nature.
Answer:
The answer is choice C
Explanation:
All the ohther answers are techniqually not "studying"
how does the placement of the mica sheet and the direction of light affect the growth of a plant?
Answer:
Explanation:
When the mica plate was inserted on the illuminated side, the plant did bend towards the light. Therefore, the chemical signal was a growth stimulant because the phototropic response involved faster cell elongation on the shaded side than on the illuminated side.
What structure is used to transport organic molecules from the leaf to other parts of the plant
Answer:
Phloem
Explanation:
Phloem is the vascular tissue responsible for transporting organic nutrients around the plant body, carries dissolved sugars from the leaves (their site of production) or storage sites to other parts of the plant that require nutrients.
You are a scientist and would like to know if a new fertilizer will help plants grow faster. What would the control group be?
A)The group that gets only water, no fertilizer
B)The group that gets water and fertilizer
Answer: The group that gets only water no fertilizer
Explanation:
The control group does not have an additive
The control group will be the group that gets only water, no fertilizer. Thus, option A is correct.
What is function of fertilizer ?
An additional organic or inorganic substances which is added to soil or plants to increase the crop productivity is called as fertilizer.
It contain plant growth promoting nutrients like nitrogen, potassium, and phosphorus; For example, urea, anhydrous ammonia, etc.
The organic fertilizer is derived naturally from plants and animals. It enriches the soil nutrient level, encourage microbial reproduction.
Organic fertilizers are Agricultural Waste, Manure, municipal sludge etc.
Inorganic fertilizers generated chemically contain inorganic nutrients for crop growth; It can be up two types.
Nitrogen fertilizers where nitrogen is the primary element as it is constituent of chlorophyll, maintain the process of photosynthesis, thus improve the crop production.
Phosphorus fertilizer, increases the plant root growth as the protoplasm of the cell contains phosphorus, important for cell growth and proliferation.
Thus, option A is correct.
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3RD TIME ASKING THIS QUESTION!!!!!!!!!!! I WILL GIVE BRAINLEST
Sickle cell anemia is a genetic disease that affects the red blood cells. Your red blood cells are typically donut shaped
and have the job of carrying oxygen around your body. In people with sickle cell anemia, the blood cells become
crescent-shaped and are thick and sticky. They are not as able to carry oxygen, and can even get clogged in the blood
vessels blocking the flow of blood, and therefore oxygen to organs, causing pain and organ damage.
Sickle cell is caused by a genetic mutation that changes a single glutamic acid to valine in the 6 th amino acid position.
Examine the codon chart provided above (for #s 3-5), and determine what mutation likely occurred to cause the
change from glutamic acid (GLU) to valine (VAL). To help get you started, it is helpful to know that a person with
NO sickle cell at amino acid #6 has a DNA code of CTC. (4pts)
Normal RNA: ____________, Normal amino acid made: ___________
Mutated RNA: ___________, Mutated amino acid made: ___________
What type of mutation is this? ________________________________
What would happen to the flow of energy if autotrophs did not produce more sugars than they need?
Answer:
Your body would not have alot of energy
Explanation:
Usain bolt was on his way to run a race. Before he left the house, his friend gave him annapple and said this will help you win the race. Explain how eating the apple will benefit the runner.
Answer:
It will help him because firstly,an apple is a vitamin and according to the six classes of food, vitamin's function to the body is to help fight disease and harmful organism therefore making you strong.So if Usain bolt eats that apple it will make him strong. (Reminder: pls follow me and i will follow u oo)
an increase in the concentration of protons in the cytosol will most likely have which of the following effects on glycolysis
Answer:
Reaction rate will increase as a result of the increased H+ concentrate
Explanation:
Because the more ions the faster the reaction rate
The increase in the concentration of protons ; increases the Reaction rate
An increase in the number the positive ions ( H⁺ ) in a reaction will lead to an increase the reaction rate and a decrease in the activation energy.
Therefore as the number of protons ( H⁺ ) in the cytosol increases, the ripple effect it will have on glycolysis will be an increase in the rate of reaction ( i.e. Reaction rate ) and a decrease in activation energy.
Hence we can conclude that an increase in the concentration of protons in cytosol will increase the Reaction rate of glycolysis.
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Although the options related to your question is missing a general answer is provided above.
WILL GIVE BRAINLIEST FOR FIRST ANSWER
Answer:
Adaptation i believe, we just went over that last unit
Explanation:
Rita planted hydrangeas in her and her grandmother’s home. The same batch of seeds produced blue flowers in her home and pink flowers in her grandmother’s home. This made her conclude that the soil in her grandmother’s garden is alkaline while that in her garden is acidic. This is an example of which type of variation? Explain.
Answer:
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This flower must have grown in neutral soil, with little aluminum.
In some varieties of bigleaf hydrangeas (Hydrangea macrophylla), soil pH determines whether the plant will produce blue or pink flowers. Blooms appear bluest when grown in acidic soil with a pH in the 5.0 to 5.5 range. The same cultivar may sport pink blossoms in soil with a more neutral pH, such as 6.5 to 7.0. Florists control flower color by potting soil mixture
A medical-alert bracelet that informs first responders of a fall or an emergency and this made her conclude that the soil in her grandmother’s garden is alkaline while that in her garden is acidic.
What technology helps her to stay in her home safely?The technology that can help her stay in her home instead of moving to a nursing home is a medical-alert bracelet that informs first responders of a fall or an emergency.
The medical alert bracelet is vital as it will help during emergencies as first responders will be made aware of the grandmother's situation and can then respond on time.The same batch of seeds produced blue flowers in her home and pink flowers in her grandmother’s home.
This is the best option as other options doesn't have to do with emergencies. Rita planted hydrangeas in her and her grandmother’s home. The same batch of seeds produced blue flowers in her home and pink flowers in her grandmother’s home.
Therefore, A medical-alert bracelet that informs first responders of a fall or an emergency and this made her conclude that the soil in her grandmother’s garden is alkaline while that in her garden is acidic.
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BRAINLIEST BRAINLIEST BRAIBLIEST PLEADE ANSWER DUSUSISISJJAIXNDJDD
Answer:
uh I am not really sure But I think it is HE
Explanation:
It appears the answer must be:
HydrogenI need help Please help me?!
Answer:
Potential Energy is energy matter has when still.
Kinetic Energy is energy in motion.
Why do scientists try to repeat other scientists’ experiments?
to test if the instruments in their labs are working properly
to practice following the procedures
to try to improve the first scientist’s work
to see if the original results are reproducible
Answer:
d) to see if the orginal results are reproducible.
name of locomotory and breathing organs of shark
Answer:
Respiratory system
Explanation:
Like other fishes, sharks extract oxygen from water as it passes over their gills.
raspatory system? idk
In cells, the production of proteins is handled by the ribosomes and endoplasmic reticulum, while the processing and packaging of proteins is handled by the _________ body.
A) Golgi
B) nuclear
C) plastid
D) cytoplasmic
The answer is A: Golgi.
This is because the Golgi apparatus modifies, sorts, and packages different substances for secretion out of the cell, or for use within the cell.
A student examining an unknown cell under a microscope notes it has a cell wall, cytoplasm, and genetic information contained within a nuclear membrane. Which inference would be correct?
Since the cell possesses a cell wall and genetic information, it has to be an animal cell.
Since the cell contains genetic information, it has to be a bacteria cell and prokaryotic.
Since it possesses a cell wall and DNA contained in a nuclear membrane, the cell must be eukaryotic.
Since the DNA is contained in a membrane and not in the cytoplasm, the cell must be a plant cell
Answer:
Since it possesses a cell wall and DNA contained in a nuclear membrane, the cell must be eukaryotic
Explanation:
Since the cell possesses a cell wall and genetic information, it has to be an animal cell.
-this is a plant cell because of the cell wall
Since the cell contains genetic information, it has to be a bacteria cell and prokaryotic.
-prokaryotes don't have DNA contained in a nuclear membrane
Since it possesses a cell wall and DNA contained in a nuclear membrane, the cell must be eukaryotic.
- DNA contained in a nuclear membrane --> eukaryototic
- cell wall --> plant cells, which are eukaryotic
Since the DNA is contained in a membrane and not in the cytoplasm, the cell must be a plant cell
-DNA is contained in a membrane should not lead to the conclusion that it's a plant cell, as it could be an animal cell too
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The eggs of a cone bearing plant:
receive sperm through the development of tubes
are held on the sticky fluid of the female cone
receive pollen from the wind
Answer:
Cone-bearing plants have two types of cones: female cones and male cones. Reproduction begins when one of the pollen grains from inside a pollen sac on the male cone floats through the air to the scale of a female cone. A pollen tube then grows from the pollen grain toward the female ovule.
Is toxic chemical pollution a nonpoint source pollution or a point source pollution? I need an actual answer.
Answer:
Excess fertilizers, herbicides and insecticides from agricultural lands and residential areas. Oil, grease and toxic chemicals from urban runoff and energy production.
Explanation:
Parents with the genotypes AO and AB have a child. What are all the possible blood types of the child?
Answer:A positive, B positive
Explanation:
how do cells know how to develop within a multicellular organisms
Answer:
The correct answer is They receive instructions in their DNA
Explanation:
I took the Test
A student wants to compare how long a flashlight will continue to shine using different brands of batteries. How can the student make sure that the test is fair?
Answer:
start with unused fresh out of the pack batteries
Answer:
THE TYPE OF FLASHLIGHT USED
Explanation:
Leukemia is a malignant progressive disease in which the bone marrow and other blood-
forming organs produce increased numbers of immature or abnormal white blood cells.
Which statement about cell cycle checkpoints describes how this disease occurs?
A Dysfunctional checkpoints may lead to abnormal cell growth.
B Defective checkpoints result in death of a cell.
C Normal checkpoints assess damage to cancer cells.
D Cell checkpoints fail only in meiosis.
What would this be.
Answer:
A Dysfunctional checkpoints may lead to abnormal cell growth.
Explanation:
One of the hallmarks of cancer is unregulated cell proliferation. This means cells keep dividing, producing large numbers of often abnormal cells.
There are many of ways this can happen, such as increased signals telling the cells to divide, and dysfunctional cell cycle checkpoints that do not stop the cell from dividing. This leads to the accumulation of mutations and abnormal cell growth.
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Which resource is sometimes unpredictable in terms of energy production?
coal
wood
gasoline
natural gas
Answer:
Coal and/or wood
Giraffes are herbivores that initially had shorter necks. They are found in grasslands and areas where trees grow tall. To feed on leaves from tall trees, giraffes had to stretch their necks. This behavior paved the way for
of giraffes with longer necks. A giraffe’s long neck is a
adaptation.
This behavior paved the way for natural selection of giraffes with longer necks. A giraffe’s long neck is a structural adaptation.