Answer:
They are all dominant
Explanation:
Trust me
what type of cells produce gametes,sperm, and egg cell
Answer:
They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each chromosome. These reproductive cells are produced through a type of cell division called meiosis.
Explanation:
Answer:
sex cells.
Explanation:
Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each chromosome..
Good luck.
Which structure will form when a primitive cell engulfs an aerobic bacterium?
Answer:
Mitochondria
Explanation:
This was the first endosymbiotic event during our primitive cell basically engulfed an aerobic bacteria which later formed into mitochondria. This is why mitochondria has its own DNA as well (called the mitochondrial DNA)
Answer:
Mitochondria
Explanation:
Which of the following correctly describe magnetic field lines?
Answer:
The answer is B
Explanation:
I hope that help :)
Answer:
Actually it is all of them
Explanation:
Think Critically: Use your knowledge of food chains and energy pyramids to explain why fewer lions than gazelles live on the African plains?
What plant is this? What's its purpose?
When listing the levels of organization in organisms from least complex to most complex, which level is just below organs in complexity?
Answer:
D tissues
Explanation:
NEED HELP ASAP!!!!!!!!!!!!!!!!!!!
Which statement best describes black holes?
Black holes are the remnants of dead, massive stars
Black holes are the remnants of planets that broke up from moving to fast.
Black holes are young stars that have not yet begun to shine.
Black holes are theoretical objects and have never been found.
Answer:
the last one
Explanation:
D. Black holes are theoretical objects and have never been found.
Letter A represents a wave’s
Answer:
d wave length
Explanation:
On April 20, 2010, an explosion on the Deepwater Horizon Macondo oil well drilling platform released 4 million barrels (636,000 cubic meters) of oil into the Gulf of Mexico. It took scientists and engineers nearly three months and several different attempts to cap the well. The Macondo oil well was located 1524 m (5000 feet) below the surface of the water, about 80 km (50 miles) off the coast of Louisiana. The spill affected 2113 km (1300 miles) of shoreline along the coasts of five states. Most crude oil contains 84–87% carbon by weight. Scientists have not yet fully assessed the environmental impact of the accident.
Reducing our dependence on petroleum is a difficult task, so policy makers are organizing it into smaller, simpler problems that can be solved more easily. Choose two of the solutions below that may help reduce our dependence on fossil fuels.
a
Researching alternative fuels to petroleum, such as ethanol.
b
Increasing taxes or fees to help pay for cleanup costs.
c
Requiring rooftop gardens to be built on all new buildings to reduce air pollution.
d
Developing transportation methods that do not require the use of petroleum products.
Answer:
I believe your answer is. A
Explanation:
How many pairs of chromosomes does a human have in their liver cells
Answer: 46
Explanation:
In a normal human lever cell there are 46 chromosomes, because liver cells are somatic, so they are diploids, thus they have a full set of chromosomes.
a hormone Cascade occurs when
Answer: A hormone can stimulate the release of series of other hormones, the last of which activates a nonendocrine target the cell this is called a hormone cascade pathway. The release of thyroid hormone results from a hormone cascade pathway the hypothalamus, anterior, and thyroid gland.
Shivering and sweating are two techniques that mammals use to
a) adapt to the temperature
b) develop a rise in body temperature
C) maintain homeostasis
d) use excess energy
Answer:
c.maintain homeostasis
If plant sap has as much sugar as a can of soda, do you think that if you bit into a plant’s leaves or stems, would it taste sweet? Why or why not?
Answer:
No
Explanation:
If plant sap has as much sugar as a can of soda, they will not taste sweet if one bit into their stems of leaves.
This is because most plants do not store sugar, which is the product of photosynthesis, in leaves or stems. The few ones that store their photosynthetic products in leaves/stems do not store them directly as sweet sugar. They often stored them as starch which is not generally sweet in taste.
Hence, plant's leaves/stems will not taste sweet even if they have as much sugar as a can of soda.
Describe the two fields of study comparative and molecular
Answer:Comparative anatomy :compares fossilised structures to living organisms and compares the limbs of different organisms
Molecular biology: Compares cells of organisms and compares the Genomes of organisms
Explanation: Answered and got it right
The first group to exhibit an amniotic egg was the
which rocks are examples of chemical sedimentary rock check all that apply
Answer:
Shale and sandstone
Explanation:
Answer:
Clastic sedimentary rocks such as breccia, conglomerate, sandstone, siltstone, and shale are formed from mechanical weathering debris. Chemical sedimentary rocks, such as rock salt, iron ore, chert, flint, some dolomites, and some limestones, form when dissolved materials precipitate from solution.
Explanation:
Transpiration occurs when plants release water vapor.
True or False?
Answer:
true
Explanation:
Answer:
false Explanation: The water eventually is released to the atmosphere as vapor via the plant's stomata tiny, closeable, pore-like structures on the surfaces of leaves. overall this uptake of water at the roots, transport of water through plant issues, and releases of vapor by leaves is known as transpiration.
According to the geological time scale, ______ evolved after the first insects evolved. mammals, bacteria, cells with a nucleus, or, multicellular organisms?
Answer:
Mammals would be the correct answer.
Explanation:
Answer:
mammals is correct
Explanation:
taking the quiz got it right.
Which of the following activities depend upon the availability of supplies of freshwater?
a agriculture
b bathing
C drinking
d all of the above
Fresh water is found in glaciers, ponds, rivers, etc. The activities that depend upon availability of supplies of fresh water includes: agriculture, bathing, drinking, laundry etc.
What is freshwater?Freshwater is a source of water which is renewable. It is replenished by a process called water-cycle.
There are multiple uses of fresh water. Some can be listed as:
For irrigation in agriculture.Industrial use.Household uses.Recreational activity.Thus, the correct option is d.
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To test the effectiveness of a new nutrient supplement, one group of identical mice is given the supplement, and the other group is
not given anything. Which is the most complete list of the parts of an experiment presented in this scenario?
Answer:
The options are
A.independent variable, dependent variable
B.control group, experimental group, dependent variable
C.independent variable, control group, experimental group
D.control group, experimental group
The answer is C.independent variable, control group, experimental group.
The most complete list of the parts of an experiment presented in this scenario would surely be the independent variable, the control and experimental group inclusive.
Answer:
The correct answer is C.PLEASE...THIS IS MY SCIENCE FINAL!!!
Which of the following is a function of plant roots?
A) Acts as an anchor to hold the plant in the soil
B) Water and nutrients enter the plants from the roots
C) Absorbs oxygen for respiration
D) All of the above are functions of roots
Answer:
D
Explanation:
The roots act as an anchor and take in minerals/nutrients while the roots also take in oxygen. But for the Water, the leaves, roots and stem take in the water so all 9f the above.
The distance that wind blows across an area of the sea to generate waves is the_________.
a)trough
b)wave period
c)fetch
d)sargassum
Answer: C-fetch
Explanation:
Answer:
Fetch.
Explanation:
Fetch, area of ocean or lake surface over which the wind blows in an essentially constant direction, thus generating waves. The term also is used as a synonym for fetch length, which is the horizontal distance over which wave-generating winds blow.
A -Weight of water collapses lime stone below it, water drains into the sinkhole
B-pollution due to factories, water evaporates quickly
C-High atmosphere temperature, water evaporates quickly
D-natural absorption of water by the land, water drains into the Aquifer
Please help I wasn't paying attention. I'll MARK THE BRAINLIEST.
Choose THREE: What is the THREE roles/functions of the nervous system?
A.) Receiving information
B.) Responding to information
C.) Maintaining homeostasis
D.) Transforming food into energy for the body
2.) TRUE/FALSE: You can move without your nervous system.
A.) True
B.) False
3.) TRUE/FALSE: All nervous system responses are voluntary or under your control.
A.) True
B.) False
4.) A change or signal in the environment that makes the nervous system react is called a:
A.) Stimulus
B.) Response
C.) Nerve Impulse
D.) Synapse
5.) If you touched a hot object, what would the stimulus be?
6.) If you touched a hot object, what would the response be?
7.) Give an example of a stimulus and describe your body's response.
1. a,b and c
2. false
3. false
3. Stimulus
4. Receptor in the skin detects a stimulus (the change in temperature). Sensory neuron sends impulses to relay neuron. Motor neuron sends impulses to effector.
5. skin receptors quickly send nerve impulses (electrical) to the spinal cord (central nervous system) via sensory neurons
6. tropism, in plants is phototropism (or light response). Plants grow towards light sources, and if the direction of light is changed, the plant will also change its direction of growth to accommodate for survival.
Answer:
A,B,C
FALSE
FALSE
STIMULUS
PULL YOUR HAND AWAY
The ringing of a telephone prompts to answer a call.
Explanation:
The sensory neurons found in the receptor organ ( which is the ear ) will detect the ringing of the telephone, and will therefore transmit a nervous message to the central nervous system .The brain interprets the nervous message , and then sends a message through the motor neurons to the effector organ , which in turn will respond by answering the call .
What's the main reason why cell specialization is important?
Question 12 options:
It allows multicellular organisms to perform many distinct functions.
It allows unicellular organisms to perform many distinct functions.
It generates totipotent cells.
It creates cells at a faster rate.
Answer:
It allows multicellular organisms to perform many distinct functions.
Explanation:
Cell specialization is important primarily because it allows multicellular organisms to perform many distinct functions. Cell specialization isn’t important in unicellular organisms, because it doesn’t occur. Cell specialization isn’t important primarily for creating cells faster, and it doesn’t generate totipotent cells. Rather, totipotent cells are the stem cell progenitors that allow cell specialization to occur.
It makes it possible for multicellular creatures to carry out a wide variety of unique roles. Therefore, option (A) is correct.
What is cell specialization?The transformation of a stem cell into a differentiated cell type is accomplished by a process known as cellular differentiation. Typically, the cell will transform into a type that is more specialized.
The primary reason why cellular specialization is so important is that it enables multicellular organisms to carry out a wide variety of diverse jobs. Because it does not take place in unicellular creatures, the process of cell specialization is irrelevant to their biology. The primary reason why cell specialization is not crucial is that it does not produce totipotent cells, nor does it speed up the process of making new cells. Instead, totipotent cells are the progenitors of stem cells, which are the cells that can differentiate into specialized cell types.
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Which of the following statements is TRUE?
Multiple Choice
Peanut butter is an empty-calorie food,
A megadose of vitamin C is within the range of safe intake for the nutrient.
Most foods are mixtures of nutrients.
A healthy diet supplies 90% of its calories from protein-rich foods.
Most foods are mixtures of nutrients.
Why do countries not convert from the use of oil to solar energy?
Solar energy is more difficult to use than oil to make electricity.
It requires more work to use solar energy to make electricity.
Solar energy is a limited resource.
It is more expensive to create solar energy than use oil for making electricity.
Answer:
It is more expensive to create solar energy than use oil for making electricity.
Explanation:
Solar energy is a renewable source of energy from the sun. It is the most powerful and eco-friendly source of energy, however, many countries still do not use this source of energy in creating electricity. This is because the technology behind using solar energy to create electricity is very expensive in comparison with the use of oil.
In as much as solar energy is always readily available everywhere and everyday (natural), building the technology to make it generate electricity is huge. Hence, countries stick to the use of oil, which is way cheaper to operate.
How does the cell membrane control what comes in and out of the cell?
The cell membrane contains pores that let all molecules in and out of the cell.
The cell membrane does not let anything in or out of the cell.
The cell membrane contains small pores that filters in needed substance and filters out waste product.
The cell membrane does not let substance in or out of the cell.
Answer:
The cell membrane contains pores that let all molecules in and out of the cell.
Explanation:
I believe it is this one not positive though
Answer:
I think its C. The cell membrane contains small pores that filters in needed substance and filters out waste products.
Explanation:
Sorry if it wrong it just makes the most sense.
Which process will the bacteria use to obtain energy?
A. Cellular respiration
B. Photosynthesis
C. Lactic fermentation
D. Alcoholic fermentation
I think it’s B someone tell me if it’s right
Answer:
B
Explanation:
Tu as raison!
Though some bacteria also feed off of dust, dead skin cells, corpses, human waste, etc, most survive from photosynthesis and no form of decomposition capable by bacteria is a possible answer.
What is weather?
A. What’s happening in space at a time and place
B. What’s happening in our atmosphere at a time and place
C. The average weather over many years
D. The average temperature over many years
Answer:
The answer would be B.
Explanation: