BIOLOGY MIDDLE SCHOOL

Which of these labels for fossils in a museum display contains an error?A. Early human (late Cenozoic)
B. Early mammals (late Triassic)
C. Dinosaur (Mesozoic)
D. Early Echinoderms (Cambrian Period)

Answers

Answer 1
Answer:

Answer:

the bes answer here is C. Dinosaur

Explanation:

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What is top soil? How do living things help form topsoil?

Answers

Topsoil is the upper, outermost layer of soil, usually the top 2 inches to 8 inches. It has the highest concentration of organic matter and microorganisms and is where most of the Earth's biological soil activity occurs. Four elements constitute the composition of soil.

Animals burrowing and plant roots growing down into the soil create the pores in the soil for the air and the water.


The organic matter in the soil comes from the decay of dead plants and animals. Earthworms, bacteria and fungi are just a few of the organisms that live in the soil, feed on the organic matter and decay or recycle plant nutrients. All of the organisms that live in the soil are such an important part of the continuous, natural process of decomposing organic materials and preparing the soil for future plant growth

Poor people in the worlds largest cities live in just a few dollars a day but typically have access to clean water and sewers

Answers

If the question is true/false- the answer would be false

Poor people usually do not have access to clean water and sewers.

Poor people usually do not have access to clean water and sewers.

What are the cheetahs limiting factors

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Limiting factors are things that may hinder an organisms ability to survive. So lack of open area, lack of cover to camouflage are two prime examples of limiting factors that would affect cheetahs.

Answer:

Explanation:

U don't know a Cheetahs factor and the c in cheetah has to be capitalized so duh

Why is there no ocean-continent divergence?
 I need to know I'm just in 6th grade

Answers

Divergence is due to upwelling mantle thinning and extending the crust when the mantle decompressed and melts basalt is formed. Basalt and other mafic rocks from oceanic crust while continental crust is made up of mostly felsic (but some mafic) rocks. Upwelling mantle does thin continental crust and sometimes this thinning leads to new oceanic basins. Thus oceanic crust is formed from divergent oceanic plates (at mid oceanic rifts) and continental crust can become oceanic crust when upwelling mantle rifts continents into new oceanic basins

An atom of hydrogen and an atom of carbon are

Answers

An atom of hydrogen and an atom of carbon are known as hydrocarbons Or hydrogen atom bonded to carbon backbone.

What are hydrocarbons?

Hydrocarbons are defined as an atom of hydrogen and an atom of carbon are known as hydrocarbons Or hydrogen atom bonded to carbon backbone. Carbon has been known as the element which has a chemical by nature and it has been represented by C and the atomic number of carbon has been 6. The atomic mass of carbon would be 12.011 u and the carbon contain 2, 4 electrons per shell with its electronegativity of 2.55 .

The main function of the carbon compounds has to maintain earth's atmosphere and temperature and to supply energy that must works as the fuel for our economy.The atomic structure of the carbon has been designed in such a manner that it must contain 6 number of electron, 6 number of protons, and 6 number of neutrons.

Therefore, An atom of hydrogen and an atom of carbon are known as hydrocarbons Or hydrogen atom bonded to carbon backbone.

Learn more about hydrocarbons here:

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Hydrocarbon. Or hydrogen atom bonded to carbon backbone.

If the answer isnt asking for the bonding then its probably that they are both present in the atmosphere

How are the symbols written for alleles that share incomplete dominance?
Tysm ily ;)

Answers

In incomplete dominance, heterozygous phenotype is intermediate between two homozygous phenotypes. In this case, the symbols for alleles are capital letters. For example, allele A is responsible for red color of a flower, allele B is responsible for white color of the flower. Red flower plants have AA genotype, and white flower plants have BB genotype. By crossing plants with red flowers and white flowers, due to incomplete variance, the offspring will be heterozygozs plants (AB) with neither red nor white flowers, but pink flowers. Pink flowers have intermediate color between red and white flowers.
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