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Questions (77)
Four different species of lizards are represented in the following diagram L M N O. Which of the following could be true
1 answer
100 views
based on the diagram which two groups of organisms share the most similar dna?
warm-blooded and cold-blooded Turtles and frogs
1 answer
161 views
A steel bar of length L=2 m, with modulus E=200 GPa and constant cross sectional area A=200 mm2 is constrained between two walls
10 answers
520 views
=42
Z=~3 {Browse X} % (a) {Browse Z} declare Y=X+5 {Browse Y} % (b) declare X=1234567890 {Browse X}
1 answer
377 views
In evolutionary terms, RNA is thought to have preceded proteins and DNA. Which of the following provides the most convincing
1 answer
495 views
Which of the following is the key factor driving cellular differentiation in the body?
a. chemical gradients in the cellular
2 answers
659 views
A heavy box is pulled across a qooden floor with a rope. the rope makes an angle of 60⁰ with the floor. A force of 75N is
1 answer
296 views
Why is there such a wide variety of immune system responses between hosts when they are infected with the same virus?
1 answer
96 views
Which component of skin protects against UV light?
1 answer
150 views
Early bacteria that could make its own energy evolved into
1 answer
80 views
What physical difference that is linked to a genetic trait is evident about Asian and African elephants
1 answer
68 views
Four different species of lizards are represented in the following diagram. Which of the following could be true according to
1 answer
89 views
All the animals to the right of the salamander would have the common characteristics of
1 answer
77 views
What order is simple, single-cell organisms appear, the diversity of multicellular organisms increases, and multicellular
1 answer
154 views
For a polygenic trait, the two extremes were selected for- therefore changing the allelic frequency in a population and the
1 answer
72 views
What is the area off the trapezoid? The diagram is not drawn to scale.
3 answers
175 views
What is the area of the trapezoid? 7cm, 5cm outside, 5cm inside
1 answer
71 views
Space figures and cross sections practice
1 answer
117 views
A jewelry store buys small boxes in which to wrap items they will sell. Fund the lateral area and the surface area of the box to
4 answers
256 views
what is the lateral area of a cone with radius 19 cm and slant height 11cm
1 answer
93 views
what is the lateral area of the square pyramid, to the nearest whole number
1 answer
53 views
if a scientist is comparing an unknown species of insect to sample DNA from a black wasp, what will be the best evidence that
1 answer
78 views
Which statement best explains why two different plant species have the same two types of chlorophyll present
1 answer
76 views
Which statement best illustrates a rapid biological adaptation that has occurred, leading to diversity within a species
1 answer
94 views
Which term refers to a species that no longer has any living members
4 answers
100 views
Which of the following is used when a charity urges you with an emotional appeal to support them because its the right thing to
1 answer
119 views
Identify the type of sentence: Daria asked Becky to help her with her Science homework
1 answer
99 views
Identify the type of sentence: Josh and I are meeting for pizza at noon today
6 answers
74 views
Identify the incorrectly punctuated sentence
1 answer
248 views
Identify the incorrectly punctuated sentence
It is such a hot humid day today. We should water them, or they might wilt in the
1 answer
134 views
Canis familiaris ( dogs) and canis wolves are a different what?
1 answer
79 views
What is true of all organisms in the kingdom Protista, plantae, fungi, and animalia
1 answer
122 views
One disadvantage of asexual reproduction is
4 answers
98 views
Which answer best describes an advantage to a planarian worm from having a high stem count?
1 answer
139 views
How does the bottleneck effect lead to genetic changes in a population of organisms
1 answer
97 views
Which statement best describes evolution
1 answer
87 views
What is phenotype
4 answers
93 views
What did jean baptiste lamarck believe
4 answers
94 views
What did charles Darwin focus on for survival
1 answer
67 views
Compare lamarck and Darwin beliefs
1 answer
85 views
Which pair represents an example of analogous structures in animals
1 answer
87 views
An archeologist uncovers bones he suspects belonged to a relative of today's modern horse. What is the best method of testing
1 answer
63 views
Using hardy-weinberg principle, if p=0.3, what is q
3 answers
142 views
if a population experiences no migration is very large has no mutations, has random mating, and there is no selection, what will
1 answer
93 views
Which word is associated with evolution
1 answer
53 views
Which word is associated with evolution, extinction, change, stability, or continuity?
1 answer
72 views
Which word is associated with evolution? extinction, change, stability, or continuity?
1 answer
86 views
How do vaccinations prepare the body's immune system ro fight invasions of a specific pathogen
1 answer
109 views
Which of the following would discourage the development of an antibiotic-resistant bacteria
1 answer
98 views
Volumes of prisms and cylinders geometry
1 answer
81 views
True or false: One of the major obstacles to peace between the israelis and Palestinians is the control of the sinai peninsula
1 answer
148 views
Regrowth of a forest after a devastating fire is an example of what process
1 answer
103 views
What effect does deforestation have on burning fossil fuels
3 answers
159 views
What causes temperature to rise in the surface of the earth in the past century
1 answer
77 views
Chloroplasts and mitochondria are both thought to have evolved through the process of what
1 answer
64 views
What statement is true about natural selection
1 answer
53 views
What pattern is predicted by observing fossilized mollusks in marine sediment that show a continuous series of forms changing
1 answer
54 views
What isolation does not attract the main population when organism develops different courtship rituals
1 answer
71 views
What relationship keeps predators away from acacia tree and in turn provides shelter and food for ants
1 answer
84 views
Select 3 process that can increase the variation of a species: budding, selective breeding, genetic engineering, cloning,
1 answer
173 views
If a young sunflower plant in is the sun at different times of day what would be the plants movement
1 answer
78 views
A sphere has center (0,0,0) and a radius of 5. Which of the following points lies on the sphere? Use the distance formula, but
1 answer
70 views
in cranes tok-chae was being held prisoner because he
1 answer
102 views
Which of the following could represent the scale factor of the larger figure to the smaller figure? The larger triangle is v=343
4 answers
91 views
how did the chinese government respond to demands for democratic reform in tiananmen
4 answers
202 views
which of the following is the main purpose of yhe European Union (EU)?
1 answer
83 views
Which impact did the shift to market economics have on Russia under Boris yeltsin
1 answer
75 views
True or false: A great challenge faced by both China and India today is expanding foreign trade
7 answers
189 views
True or false: the us leaders pursued a foreign policy goal in latin America,of funding socialists takeovers of democratic
4 answers
176 views
True or false: High population growth and diversification of exports are two obstacles that hinder progress in developing
6 answers
87 views
Two of the biggest challenges for improvement in developing African nations are high population growth and lack of education.
3 answers
128 views
which of the following describes how the industrial revolution affected economic practices?
1 answer
73 views
which of the following was one way that the French revolution differed from the American revolution?
1 answer
63 views
Which of the following was one way that the French revolution differed from the American revolution?
A. It established a
1 answer
58 views
why is meiosis needed in animals?
a. Because 2 diploid cells are required to make 1 haploid zygote b. Because 2 haploid games are
2 answers
148 views
Which type of selection would most likely lead to a shift toward darker fur in a rabbit population.
a. stabilizing b. disruptive
1 answer
75 views
Which type of selection would most likely lead to a shift toward darker fur in a rabbit population.
a. stabilizing selection b.
2 answers
133 views
