Answer:
c
Explanation:
What are the basic building blocks of all living organisms ?
Answer:
pretty sure it Legos
Explanation:
Jk lolol its Cells. hope this helps!!
Answer:
A cell is the smallest unit of a living thing. A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism. Thus, cells are the basic building blocks of all organisms.
Explanation:
The movement of soil from one place to another place is called? ANSWER: GLACIATION, DEPLETION, or EROSION
Answer:
¿cual es la influencia que tiene la
Human blood consist of blood groups A, B, & O. However, there is one more blood group, AB, which contains alleles A and B in the same genotype. What is this phenomenon called?
Answer:
codominant inheritance
Explanation:
edge
Why testes is extra abdominal in position in man ?
The messages that scientists are sending into space are directed at intelligent alien life. Do
you think this is limiting? How could this affect scientists search for life beyond Earth?
Answer:
I think there is life beyond earth. Actually there most definently is. I think in a way it could be limiting. It's the fcat that the ones out there may not even be able to receive the message as fast as we please. Who knows, it could be years, decades, maybe centuries before they make actual contact with us. Then again, maybe they already have. But, the way this could affect the study is the fact that (I doubt it) but maybe a message could be sent the wrong way, or they misinterpret it. That's the only think I can get off. Anyway, this can also depend on how much funding is going into space. This also brings up the question, "How much do we know about our own planet?
in predation, the animal that is hunted and eaten is the?
Answer:
The answer is The Prey
Explanation:
Took a quiz
Answer:
prey
Explanation:
what causes chemical waste ?
Answer:
factories produce toxic chemicalsGroundwater ContaminationIllegal DumpingSewerageLeaks and SpillsIndustrial GrowthExplanation:
Chemical waste is a waste that is made from harmful chemicals (mostly produced by large factories). Chemical waste may fall under regulations such as COSHH in the United Kingdom, or the Clean Water Act and Resource Conservation and Recovery Act in the United States.
[ Impact of Chemical Waste on Water Streams. Improperly managed chemical waste may pollute and contaminate water streams. There are many causes of this type of industrial water pollution, which has both serious and negative impacts on aquatic and human life.]
What are the key features of a tundra?
A. cold winter, thin acidic soil, evergreen trees
B. many evergreen trees, short moist summers, long snowy winters
C. long cool summers, short dark winters, migrating animals
D. treeless, permafrost, cold dark winters
Answer:
D. treeless, permafrost, cold dark winters
Explanation:
The correct answer would be D
Tundra is a habitat in which tree growth is hampered by cold temperatures and short growing seasons. Therefore, option (D) is correct.
What is a tundra?The freezing temperatures and short growing seasons of a tundra biome make it difficult for trees to develop in this sort of ecosystem.
Most of the time, it is cold, but in the summer, it can get quite warm. The winters on the tundra are long, dark, and very cold. For six to ten months of the year, temperatures are below 0 degrees Celsius. Because the temperatures are so low, there is a layer of frost below the surface. This is a layer of frozen ground.
Arctic tundra is found above the Arctic Circle in Alaska, Canada, Russia, Greenland, Iceland, and Scandinavia, or in Antarctica. Alpine tundra are high on mountains where nightly temperatures are below freezing.
Therefore, option (D) is correct.
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What are examples of two
species dividing up the parts of a habitat?
•
helpppp plzzzz
Answer:
In a hot spring in Kamchatka, Russia, the two groups of genetically indistinguishable microbes parted ways. They began evolving into different species—despite the fact that they still encountered one another in their acidic, boiling habitat and even exchanged some genes from time to time, researchers report.
Hope this helps
2. Most male crickets produce a mating song by rubbing together their curved
wings. In a certain geographic area, parasitic flies detected male crickets singing
and deposited their larvae into them, which killed the crickets. Eighteen
generations later, the number of males with flat wings has increased to 90%. The
flat-winged crickets do not sing, but are still able to mate with females, and
parasitic flies cannot detect them. Which type of selection is occurring in this
cricket population?
O
Artificial
O
Directional
O
Disruptive
O
Stabilizing
answer this question
technically its not even a question but idk. whats up?
A. 25%
B. 50%
C. 75%
D. 100%
Two separate species of squirrels have evolved after being separated by the Colorado River's erosion of the Grand Canyon. What type of speciation has occurred here?
A. Allopatric Speciation
B. Sympatic Speciation
C. Disruptive Selection
D. Group Behavior
Answer:
Option A
Explanation:
In this case the two species of squirrels have evolved when their combined population got divided into parts and was separated as a cause of natural calamity i.e Colorado River's erosion of the Grand Canyon, thereby forced to live in two different geographies and hence evolve differently from each other. The two geographies mentioned above remain disconnected by any natural barrier thereby restricting successful mating of the two population groups of squirrels.
hence, option A is correct
Answer:
Allopatric Speciation is Correct for all future users.
Explanation:
why are there no gram-positive archaea species but there are gram-positive bacteria species
Answer:
There are no gram-positive archaea because archaea lack peptidoglycan in their cell walls, meaning that the archaic cell walls are more similar to gram-negative bacterial walls, although they do show a greater variety of cell wall types. And bacteria do have this.
Skin color, fur color, and height are examples of which inheritance pattern?
A. Mendelian inheritance
B. incomplete dominance
C. codominance
D. polygenic inheritance
Answer:
D
Explanation:
Skin color, fur color, and height are examples of polygenic inheritance. Thus option D is correct.
What is polygenic inheritance?Polygenic inheritance is defined as a type of heredity where the trait is created by the interactions of many genes, as opposed to monogenic inheritance where the phenotype is created by the expression of just one gene.
When numerous separate genes have an additive or comparable effect on a single quantitative characteristic, this is known as polygenic inheritance.
Multiple gene or multiple factor inheritance are other names for polygenic inheritance.
The some of the characteristics are since epistasis is not at play, the expression of one gene is not obscured by the existence of the other genes. There are no dominant or veiled genes; the gene involved in polygenic inheritance is either contributing or non-contributing.
Thus, skin color, fur color, and height are examples of polygenic inheritance. Thus option D is correct.
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What is the function if ATP?
Answer:
ATP's function is to provide energy for the cell
Explanation:
Hope this gives you a better understanding!
Cattle live in an area where the streams are dry. For which basic need do these cattle most likely compete?
a food
b shelter
c water
d energy
Answer:
c
Explanation:
Competition for water is likely to be more important to the cattle than competition for food, shelter, or energy, as these other needs can typically be met through other means. Therefore,option (C) is correct.
Why cattle need water to survive?Cattle, like all living organisms, require a consistent supply of water in order to survive. In the passage, it is mentioned that the streams in the cattle's area are dry, which means that there may be limited access to water in this area. Cattle, also known as cows or bovines, are large, hoofed mammals that are domesticated for their milk, meat, leather, and other products. They are typically raised on farms or ranches, and are known for their docile and gentle nature. Cattle are herbivores, and are typically fed a diet of grass, hay, and other plant materials
As a result, the cattle may have to compete with one another for access to water, as it is a basic necessity for survival. In this situation, competition for water is likely to be more important to the cattle than competition for food, shelter, or energy, as these other needs can typically be met through other means.
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how is a food web different from a food chain
A. Food webs contains only producers not consumers
B. Food webs do not include decomposers
C. Food webs exist in aquatic environments food chains exist in terrestrial environments
D. Food webs contain many different linked food chains
Answer:
D. Food webs contain many different linked food chains
Explanation:
what forces cause surface ocean circulation? what forces cause deep water circulation?
Answer:
ANS 1) Ocean currents can be caused by wind, density differences in water masses caused by temperature and salinity variations, gravity, and events such as earthquakes or storms. Currents are cohesive streams of seawater that circulate through the ocean.
ANS 2)n the deep ocean, the predominant driving force is differences in density, caused by salinity and temperature variations (increasing salinity and lowering the temperature of a fluid both increase its density). There is often confusion over the components of the circulation that are wind and density driven.
HOPE IT HELPS : D PLEASE MARK ME BRAINLIEST
Explanation:
How do I compare and contrast these?
What do you think happens to a fish’s behavior in cold climates during winter explain
Answer:
it changes just as the weather changes
Explanation:
so as it gets colder the fish get colder as well meaning that the fish will expect its habitat to turn warmer just as we humans (some of us aliens jkjk) want warmth when we are cold its the same thing with fishes
Which is a sustainable practice?
A. Wind farms
B. Clear cutting
C. Flood irrigation
D. Overfishing
Answer:
A. wind farms
Answer:
Wind farms
Explanation:
Select the correct answer.
Which of the following is the correct definition of a biography?
OA
an account of a fictitious experience that relies on figurative language
B.
an account of a single significant experience in a person's life
C.
an account of somebody's life written by that person
D.
an account of somebody's life written or produced by another person
Reset
Next
Answer:
D.
an account of somebody's life written or produced by another person
Why are marsupials only found in Australia?
Answer:
B. Australia is isolated
Explanation:
They originated in South America and spread throughout the world, but due to competition on other continents, the other marsupials died out, while the ones on Australia lived.
Which of the following symbiotic relationships is considered parasitic?
A. Tapeworm in an intestinal tract
B. Bees transporting pollen from flowers
C. Pilot fish swimming under sharks
D. Birds eating the insects from the back of a hippopotamus
Answer:
A. Tapeworm in an intestinal tract.
Explanation:
This symbiotic relationship is parasitic because the tapeworm causes harm to the host. Tapeworms feed off the nutrients the host consumes, thus making the host sick.
Not parasitic:
Bees transport pollen from flowers back to the nest to feed the young bees, but pollinate female flowers as well which keeps the flower population alive.
Pilot fish swim under sharks to keep other prey from eating them, and the shark do not eat eat the pilot fish.
Birds eating the insect of the back of a hippopotamus keep the hippo clean and parasite-free as well as feeding the birds.
The presence of tapeworm in intestinal tract is considered parasitic. Thus, the correct option is A.
Symbiotic relationships refers to the association between two two organisms belonging to different species. There are three types of symbiotic relationships which are mutualism, commensalism and parasitism.
In mutualism, both of the organisms involved are benefited from the relation.
In commensalism, one of the organisms involved is benefited and the other is neither benefited nor harmed from the association.
In parasitism, one of the organisms involved is benefitted and the other one is harmed from the association.
As in the relationship between tapeworm and human, tapeworm is benefited but the human involved is harmed. Thus, it is a parasitic relation.
Thus, the correct option is A.
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How many days in a year ?
Answer:
365 days
Explanation:
Answer:
365
Explanation:
There a 365 days in one year :)
Which of the following provides the best evidence that the circulatory system and the respiratory system work together to carry out their functions?
A : Nutrients are absorbed into the blood from the intestines.
B : Lungs expand and contract through movements of the diaphragm.
C : New red blood cells are generated in the marrow of bones.
D : Gases exchanged in the lungs are carried by the blood.
Answer:
D
Explanation:
Your first order of business should always be to see which answers involve both of the systems. A has the circulatory system (blood) but no respiratory system (intestines are the gastrointestinal system), B has the respiratory system (the lungs) but no circulatory system, C has the circulatory system (new red blood cells) but not the respiratory system (bones are the skeleton), and that just leaves D, so it has to be the answer. When you look at it to check, it includes both systems, as the lungs are part of the respiratory system and the blood is part of the circulatory system.
WILL MARK BRAINLIEST
plz help
Which of these is an inherited trait?
1 point
braided hair
pierced ears
ability to read
eye color
2. What the main source of oxygen in an ecosystem? *
1 point
combustion from cars
respiration by plants
photosynthesis by plants
respiration by animals
3. Trout are found in rapidly flowing streams that have high levels of oxygen, stony bottoms, and an abundance of aquatic insects. These streams represent a trout’s ______________. *
1 point
niche
habitat
biome
community
4. Which combination of sex chromosomes results in a male human being? *
1 point
XX
XY
YY
NEITHER XX OR YY
5. Which of the following is not a function of the skeletal system? *
1 point
supports the body
works with other body systems to allow movement
manufactures new blood cells
sends signals to the brain
6. Which of the following pairs of structures share the function of reabsorbing water into the body? *
1 point
lungs, stomach
bone marrow, small intestine
hypothalamus, pancreas
large intestine, kidney
7. A trait the helps an organism to survive and reproduce is called *
1 point
variation
species
adaptation
selection
8.
Which structure belongs ONLY in the part of the circle labeled plant cells? *
1 point
cell membrane
cell wall
cytoplasm
vacuole
9.
According to this energy pyramid, what would the snake be classified as? *
1 point
producer
herbivore
carnivore
omnivore
10, Which of these does a virus need to multiply? *
1 point
chloroplasts from a host cell
a host cell to provide oxygen
new ADP from a host cell
a host cell to replicate the virus's DNA
11. Which of the following shows the correct order from smallest to largest? *
1 point
community ->organism->population->ecosystem
organism->community->ecosystem->population
population->ecosystem->community ->organism
organism->population->community->ecosystem
12.
According to the above Venn diagram, which feature does a Bald Eagle have in common with an American Robin? *
1 point
square tail
sharp talons
curved beak
perching feet
20 POINTS WILL MARK BRAINLIEST ANSWER
Answer:
1. Inherited trait: Eye Color
2. main source of oxygen: respiration by plants
3. These streams represent a trout’s habitat
4. male human: XY
5. manufactures new blood cells
6. large intestine, kidney
7. variation
8. cell wall
9. carnivore
10. a host cell to replicate the virus's DNA
11. organism->population->community->ecosystem
12. sharp talons (Im not sure)
I hope this helps you! :)
. Which is NOT a function of the skeletal system? a. defense b. movement c. protection d. storage
Both parents can roll their tongue, yet their child cannot. What must the parent's
genotype be?
A. Parents must both be homozygous dominant
B. Parents must both be homozygous recessive
C. Parents must both be heterozygous
D. IDK
