Question 5 of 10
A child has learned to speak but is not able to understand the rules of a
game. He is likely in the stage.
A. preoperational
B. concrete operations
C. formal operations
D. sensorimotor
SUBMIT
Answer:
A) preoperational stage
Explanation:
How are the three domains, Bacteria, Archaea,
and Eukarya different?
Answer:
All of life can be divided into three domains, based on the type of cell of the organism: Bacteria: cells do not contain a nucleus. Archaea: cells do not contain a nucleus; they have a different cell wall from bacteria. Eukarya: cells do contain a nucleus.
Explanation:
Answer:All of life can be divided into three domains, based on the type of cell of the organism: Bacteria: cells do not contain a nucleus. Archaea: cells do not contain a nucleus; they have a different cell wall from bacteria. Eukarya: cells do contain a nucleus
Explanation:
Two short haired guinea pigs are mated several times. Out of 100
offspring, 25 of them have long hair. What are the probable
genotypes of the parents?
Answer:
Both heterozygous, with the trait for short hair being dom over the long hair
Explanation:
25% would be homzygous dominant, 25% homzygous recessive and 50% heterozygous
i think this is wrong but i tried
Ribosomes are the site where
_______ are produced.
Amino acids are coded for by triplet bases in RNA called _______.
Answer:
plasma
Explanation:
nucleotide
shjshshais
Answer:
1.proteins
2.codons
Explanation:
the guy above is wrong
Please help me
What is the average speed of an airplane that travels from New York to Los Angeles, a total distance of 4800 km, in 6.0 hours?
A. 800 km/hr
B. 0.00125 km/hr
C. 80 km/hr
D. 28,800 km/hr
Answer:
A
Explanation:
Because if you multiply 800 6.o it will give you 4800
What would happen if the temperature was increased past 30°C?
Answer: we could frezze to death
Explanation: we would be to cold
Distinguish between natural selection and artificial selection.
Answer:
Natural selection is based on an animal's adaptive characteristics. Artificial selection is dependent on human-selected attractive characteristics. Natural selection only passes on positive or desirable characteristics to subsequent generations.
Explanation:
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Describe two processes of weathering and two processes of erosion that are taking place in Sam's backyard.
es
Answer and Explanation:
When viewing the image of Sam's backyard, we can see the occurrence of chemical and physical weathering. Physical weathering is caused by the impact of water on rocks, which promotes the breakdown of rock particles. The chemical weathering is also caused by the water that I contact with the rock react with its elements causing chemical reactions that modify the rock.
Regarding erosion, we can consider the erosion by gravity that is common in mountainous regions, like the one shown in the photo. This type of erosion promotes the loss of mass of the rock due to the detachment and rolling of rock particles, due to gravity. We can also notice the rain erosion, created by the impact of water on the rock that detaches the fragments and transports them to other places.
Logging entails cutting down trees and selling the timber. Identify the possible effects logging could have on various parts of nature.
Which statement about sustainable development is best described by the model?
Sustainable development must protect the environment, while people’s social and economic needs are less important.
Sustainable development must meet people’s social and economic needs, while protecting the environment is less important.
Sustainable development must either meet people’s social needs, meet economic needs, or protect the environment; all three goals cannot be met at the same time.
Sustainable development must protect the environment, provide for people’s needs, and be economically viable.
Answer:
Sustainable development must either meet people’s social needs, meet economic needs, or protect the environment; all three goals cannot be met at the same time.
The____________
is when a few individuals in a population colonize a new location that is
separate from the old population.
a. Founder effect
b. Bottleneck effect
C. Asexual reproduction
d. Sexual reproduction
1-5 questions
Help plss
Waht is Environment Secretary?
Answer:
Thiru Sandeep Saxena, IAS, Additional Chief Secretary to Government, Environment and Forests Department, Government of Tamil Nadu.
Answer:
Thiru Sandeep Saxena, IAS, Additional Chief Secretary to Government, Environment and Forests Department, Government of Tamil Nadu.
Why is phenomenon crossing over important?
1: In addition to observable traits, scientists use ________ to classify living things.
2: It’s estimated that more than 2/3 of all classified organisms are insects. A(n) _________ is a scientist who specializes in studying insects.
SITUATION: Teddy wants to prove if gravity really acts on each object. He used a paper and crumpled paper. He threw it at same time in same height.
–Answer 1-5 each question.
–Plsss can someone answer my question? :<
1. Do you think the 2 objects will hit the floor first?
2. What makes one objects hits the floor first?
3. What factor affects the movement of 2 objects in going down?
4. Did he prove that gravity acted upon the two objects? How?
What ability listed below is unique to bats compared to all other mammals?
Echolocation
Nocturnal hunting
Eating insects
Powered flight
The unique ability of bats as compared to other mammals is Echolocation. So, the correct option is A.
What do you mean by Echolocation?Echolocation may be defined as a physiological process for locating distant or invisible objects by means of sound waves reflected back to the emitter by the objects.
Echolocation is the unique ability of bats that have the capability to identify objects rather than seeing, while other mammals identify objects with help of sight.
Therefore, The unique ability of bats as compared to other mammals is Echolocation.
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Some PLEASE help!!!!!!!!!!!! TIMED
After the milk and bacteria ferment, what are the two parts that we separate?
Answer:
Latic acid and rennet cause the milk to curdle,which SEPARATES the curds.
What’s is the punnet square?
Answer:
The Punnett square is a tabular summary of possible combinations of maternal alleles with paternal alleles. These tables can be used to examine the genotypical outcome probabilities of the offspring of a single trait (allele), or when crossing
How could cognitive abilities be advantageous for elephants in the wild
When plants carry out photosynthesis the
chemical called _____ traps light energy
The
energy
is used to combine raw materials
to make______
The process mainly happens
in the
______ of leaf
>
The process mainly happens in the stomata of the leaf
Answer:
chemical : Chlorophyll
sunlight
the process of photosynthesis takes place in the mesophyll or stomata of the leaves
Explanation:
Explain how fossils can be used to learn about earth’s past climates.
(is there a way to tell, is it like relative dating?)
Answer:
within these layers of sediment through time. The changing abundances of these fossils through time can tell us whether a change in the environment or climate was gradual or abrupt.
Explanation:
Fossils within these layers of sediment through time. The changing abundances of these fossils through time can tell us whether a change in the environment or climate was gradual or abrupt.
What do you mean by fossils?Fossils are the preserved remains of plants and animals whose bodies were buried in sediments, such as sand and mud, under ancient seas, lakes and rivers.
A fossil is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber.
Fossils are the geologically altered remains of a once-living organism and/or its behaviour. There are two main types: body fossils represent all or part of the organism's body.
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DNA polymerase only travels in the__________to________direction.
Answer:One Direction
DNA Polymerase Only Moves in One Direction
Explanation:
After a primer is synthesized on a strand of DNA and the DNA strands unwind, synthesis and elongation can proceed in only one direction. As previously mentioned, DNA polymerase can only add to the 3' end, so the 5' end of the primer remains unaltered.
Describe the impact medical and ethical issues pertaining to biotechnology
Answer:
Ethical issues that arise from modern biotechnologies include the availability and use of privileged information, potential for ecological harm, access to new drugs and treatments, and the idea of interfering with nature. Applications include agriculture and health care.
Conduct online research on the classes of soil remediation: in-situ and ex-situ. Briefly describe your findings.
Answer:
(Answers may vary.)
There are two classes of soil remediation: in-situ and ex-situ.
In in-situ remediation, there is no excavation of the contaminated soil. This remediation is an economical way of cleaning up. However, it takes a long time for the treatment to be effective. In addition, the treatment is not uniform because of variability within soil and difficulty in monitoring remediation progress.
Ex-situ remediation involves excavating a contaminated area. In this method, the soil is either treated on the same site or transported to a remote site for cleaning. This type of remediation is complex and expensive, but very effective. It involves the following:
homogenization of the contaminated soil before treatment
monitoring to ensure that the soil is cleaned to the required level
Explanation:
Soil remediation is the process of making the soil pure and free of contamination which affect the health of the soil and the organisms that depend on it for their survival.
The two classes of soil remediation are:
In-situEx-situ
In-situ has to do with the treatment of the soil by removing the affected soil so that other parts of the soil does not get contaminated.
Ex-situ method is the process which involves taking the affected soil to an external site for decontamination which ensures that the other parts are not affected.
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Where does fertilization take place in the female?
Answer:
Fallopian tube
Explanation: A pregnancy starts with fertilization, when a woman's egg joins with a man's sperm. Fertilization usually takes place in a fallopian tube that links an ovary to the uterus. If the fertilized egg successfully travels down the fallopian tube and implants in the uterus, an embryo starts growing.
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Bats hunt using echolocation, in which they send and receive high frequency sounds to locate prey. When bats hear the sounds of others, they typically begin hunting in the same area. As the number of bats hunting in the area increases, individuals become more successful at locating and capturing prey.
Some populations of bats live in areas with high levels of noise pollution, such as near heavily trafficked bridges. How might the hunting behavior of bats be affected by such an environment?
A.
Bats would be better able to use echolocation, which would improve their ability to find prey.
B.
Bats would be unable to use echolocation, which would prevent them from finding any prey.
C.
Bats would be more likely to hunt in groups, so an individual's success in catching prey would increase.
D.
Bats would be less likely to hunt in groups, so an individual's success in catching prey would decrease.
The ___
method requires moving to new solutions until one works.
A. trial-and-error
B. stages
C. rational
D. heuristic
Answer:
a. trial-and-error
Explanation:
hope this helps!
Answer: A. Trial and error
Explanation: