Answer:
The Retina
Explanation:
The photoreceptors lie at the back of the retina
Which animal is native to a different part of the world than the other two?.
The animal that is native to a different part of the world than the other two is the penguin.
What is the penguin?The penguin is one of those birds that do not fly. They are usually found around the southern hemisphere. It is one of the animal that is adapted to living in the sea.
The animal that is native to a different part of the world than the other two is the penguin.
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help me quick please i really need this
Answer:
White Dwarfs
Explanation:
White Dwarfs usually have stars that are between 8,000 K and 40,000 K.
Hope I helped.
:)
What kind of compound
does NOT contain carbon or
living properties?
A. plant leaves
B. inorganic
C. organic
D. microorganisms
Answer:
I think it's option C. Organic
Describe how changes(mutations) to genes can result in changes to proteins.
Answer:
mutations can change a protein due to the mistake in the copied gene sequences
The ______ states that energy always changes from high quality to low-quality forms.
A) Downstream
B) Meltdown
C) Turbine
D) Ethanol
E) Passive solar cooling
F) Utility
G) First Law of Energy
H) Refinery
I) Isotopes
J) Second Law of Energy
Answer:
J) Second Law of Energy
Explanation:
second law of thermodynamics. Scientific law stating that whenever energy is transformed from one type to another in a physical or chemical change, the result is a lower-quality or less usable energy.
Where does the hydrogen that is used in Stage 2 of photosynthesis come from?
How does the loss of leaves help a plant survive winter or long periods without rain?
Answer:
because It loses leaves so that it can keep all of the nutrients and water to the ruts and steam
Explanation:
It can always grow more leaves
What food chain is represented in the food web below?
Answer:
Each level in the food chain is called a trophic level.The different trophic levels are primary producers, primary consumers, secondary consumers, tertiary consumers and quaternaty consumers.
20 Points
A blue whale can eat over 3,500 kg of krill in one day. Whales are warm blooded, which means that they use some of the energy from the food they eat to maintain a consistent body temperature. What kind of energy change does this represent?
A.
electrical energy changing to mechanical energy
B.
chemical energy changing to mechanical energy
C.
electrical energy changing to thermal energy
D.
chemical energy changing to thermal energy
Answer:
D
Explanation:
It can't be electrical because its a huge animal
18. What would happen to an organism that could not
keep homeostasis of its internal conditions?
Answer:
Death or disease
Explanation:
All of the organ systems of the body work together to maintain homeostasis of the organism. If homeostasis fails, death or disease may result.
What is the order of the 3 major climates zones moving from the North and South Poles towards the equator?
Tropical, Temperate, and Polar.
What is the independent variable in an experiment testing if caffeine affects the way common house spiders build webs?
a.the number of house spiders you give caffeine to
b. the amount of food you feed the house spiders
c. the body mass of each house spider
d. the amount of caffeine the house spiders receive
Answer:
d.
Explanation:
The independent variable in an experiment is the variable that is manipulated to test a hypothesis. In this case, that is caffeine. In order to study the effects, they have to give different amounts to spiders
The independent variable in an experiment testing if caffeine affects the way common house spiders build webs is the amount of caffeine the house spiders receive. The correct option is b.
What is variable?In science and research, a variable is any factor or condition that can be measured, controlled, or manipulated.
The independent variable is the variable that the researcher manipulates or changes in order to observe its effect on the dependent variable.
In this case, the researcher is interested in the effect of caffeine on the way house spiders build webs, so the amount of caffeine that the spiders receive is the independent variable.
The other options, such as the number of house spiders, the amount of food, or the body mass of the spiders, are not being intentionally manipulated in this experiment and therefore are not the independent variable.
Thus, the correct option is b.
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What are the top two layers of a soil profile called?.
Answer:
Top two layers of a soil profile is: 1.Top soil and 2. Sub soil.
Explanation:
The soil is arranged in layers or horizons during its formation. These layers or horizons are known as the soil profile.
The different layers of soil are:
1.Topsoil
2.Subsoil
3.Parent rock
Which of the following is an example of a free-range farm?
chicken coop
cattle ranch with pasture
puppy mill with cages
hog farm with pens
When making bread,you add yeastand sugar, buti does not taste steet, why?
Answer:
You don't have enough sweet ingredients in the bread. The other ingredients outbalance the sweet ingredients
Explanation:
Answer:
Yeast is a fungus, and eats sugar for energy. When this occurs, carbon dioxide and fermentation occurs, in which the carbon dioxide is trapped within the bread, allowing for it to rise. If there is little to no sugar left after the bread is completed, then the bread will not taste sweet.
Activity: Write in your own words and understanding how do soil formed and identify the factors that helps in the formation of soil.
don use any searching app in answering
Soil is formed by the weathering of rocks which takes place over millions of years. Hence, soil formation is a slow process.
Soil formation takes place in different layers namely topsoil, subsoil, partly weathered rock and parent rock or bedrock.
The topsoil is rich in humus and supports all types of vegetation. Subsoil consists of sand, silt, clay and holds moisture.
Factors Responsible for Soil Formation :The parent rock determines the colour, the texture and mineral composition.Climate controls the rate of weathering, time decides the maturity of soil.Plants and animals contribute to humus formation and the relief of the land determines the accumulation of soil.Answer:
Soil minerals form the basis of soil. They are produced from rocks (parent material) through the processes of weathering and natural erosion. Water, wind, temperature change, gravity, chemical interaction, living organisms and pressure differences all help break down parent material.
Explanation:
hope it helps!!!
3. Explain why the frequency of the tusklessness trait is increasing in the African elephant population.
Justify your answer using the principles of natural selection.
Claim : The frequency of tusklessness is increasing in the African elephant population. Changes like this
overtime is called Evolution and is occurring by
It is a process that has these principles:
a.
The frequency of tusklessness is increasing in the African elephant population because evolition which occurs by means of natural selection selects elephants that are tuskless for survival.
What is natural selection?Natural selection is a process by which organisms with featuresthat make them best suited for survival in their environment are selected for survival.
These traits are present in these organisms as a result of evolution.
The traits that are naturally selected enhances the ability of the organism to survive.
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The capsid of the virus is made up of
Answer:
The capsid surrounds the virus and is composed of a finite number of protein subunits known as capsomeres, which usually associate with, or are found close to, the virion nucleic acid. I hope this helps and god bless
Explanation:
Which molecules are unable to pass through the phospholipid bilayer?
a
Sugar
b
Water
c
Oxygen
d
Protein
The molecules that are unable to pass through the phospholipid bilayer is sugar .
What is phospholipid bilayer?Phospholipid bilayer refer to a two thin layers which consists of hydrophobic head and hydrophilic tail which allow allow the inflow or outflow of gases and smaller substances in cells.
Therefore, The molecules that are unable to pass through the phospholipid bilayer is sugar .
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The purpose of ______ is to pass a copy of a cell's gene to cells in the next generation. The purpose of ______ is to pass the parents' genes onto the next generation.
The purpose of reproductive cells is to pass a copy of a cell's genes to cells in the next generation. The purpose of somatic cells is to pass the parents' genes onto the next generation.
Reproductive cells are specialized cells involved in the process of sexual reproduction. In humans and many other organisms, reproductive cells include sperm cells in males and egg cells (or ova) in females. These cells are produced through a unique cell division process called meiosis, which reduces the number of chromosomes in half to create haploid cells.
Somatic cells make up the majority of an organism's body and are involved in various functions, such as growth, repair, and maintaining bodily functions. Unlike reproductive cells, somatic cells are diploid, containing two sets of chromosomes—one inherited from each parent. While somatic cells do not directly pass their genes to the next generation, they play a crucial
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6 The primary function of a plant's roots is to
(1) absorb water
(2) perform photosynthesis
(3) produce seeds
Answer:
1
Explanation: The roots of seed plants have three major functions: anchoring the plant to the soil, absorbing water and minerals and transporting them upwards, and storing the products of photosynthesis.
Which of the following is not a possible cause for air pollution?
a. volcanoes
b. industry
c. combustion
d. none of the above
Which of the following best describes the gradual return of plants and other species
to an area after an ecological disturbance?
Assimilation
Percolation
O Biodiversity
Succession
Succession.
- Primary succession starts from square one, usually with bacteria being the first organisms to colonize a barren rock surface (for example, regrowth after a volcanic eruption)
- Secondary succession redevelops an area after a more minor disturbance, with plants often able to return sooner (for example, a forest regrowing after a forest fire)
Answer:
D. Succession.
- Primary succession starts from square one, usually with bacteria being the first organisms to colonize a barren rock surface (for example, regrowth after a volcanic eruption)
- Secondary succession redevelops an area after a more minor disturbance, with plants often able to return sooner (for example, a forest regrowing after a forest fire)
Explanation:
the united states builds between 2 and 5 new nuclear power plants each year for the past 20 years.
true or false
The nuclear power is a technology, providing 11 percent of electricity globally. This provides only one-fifth of America's electricity, and there are currently only five reactors under construction.
What is a nuclear power?The use of nuclear reaction to produce electricity is called as nuclear power.
It can be done either by nuclear fission, decay or fusion reactions mainly by uranium and plutonium.
As America has only 5 reactors under construction recently which provides one-fifth of America's electricity.
Thus, the given statement is false.
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Multiple choice: Circle the best answer.
a
The height of a plant is likely to be determined by
a. genetic factors.
b. factors in the environment.
C. both genetic and environmental factors.
d. neither genetic nor environmental factors.
how light refracts off water
Answer: If the surface is smooth and shiny, like glass, water or polished metal, the light will reflect at the same angel as it hit the surface
Explanation:
Identify the level of classification that organisms must be in to be able to reproduce.
Kingdom
Order
Species
Genus
Answer:
yh that's species ..,....
Answer:
Species
Explanation:
Taxonomical Hierarchy
Kingdom
=============================
Phylum/Division
==============================
Class
==============================
Order
==============================
Family
==============================
Genus
===============================
Species
As species are the most detailed category, that is the level of classification they must be in to be able to reproduce.
What is the term for the disease whose symptoms includes pallor, shortness of breath, infection, bleeding gums, predominance of immature and abnormally functioning lymphocytes in a young child
Answer: acute lymphoid leukemia
Explanation: Acute lymphoblastic leukemia is the most common childhood cancer. It occurs when a bone marrow cell develops errors in its DNA.
Symptoms may include enlarged lymph nodes, bruising, fever, bone pain, bleeding from the gums, and frequent infections.
HURRY
Which factors contribute to a country's natural population growth? Select three responses.
O immigration rate
O migration rate
Obirth rate
Odeath rate
Ofertility rate
Answer:
Birth rate, death rate, and fertility rate.
Reduction and eventual increase in the size of populations
Explain these different adaptations:
Behavioral-
Structural-
Functional-
Explanation:
Behavioral adaptation:This is the actions animals/organisms survive.
Structural adaptation:This is the process animals/organisms adjust to live on any surroundings to survive.
Functional adaptation:It is the activity/working of animals/organisms.