The development of nervous system and sense organs in multicellular organisms has led to evolution of species in a more complex manner.
Complexity of multicellular organisms• The development of nervous system and sense organs has permitted for a greater level of perception and better equipped organisms.
• It has permitted the organisms to collect resources, react to their surroundings, and take advantage of their surroundings.
• This has resulted in the organisms to survive longer and accommodate into bigger types of body.
• Such amendments has thus permitted organisms to become more complex and move up the food chain.
Thus, the development of nervous system and sense organs is associated with increasing complexity of multicellular animals.
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Water molecules being attracted to other molecules (not water) is an example of?
Answer:
In cohesion, water molecules are attracted to each other (because of hydrogen bonding), keeping the molecules together at the liquid-gas (water-air) interface, although there is no more room in the glass.
what keeps earth from flying outward into space from its present position
Answer:
Gravitational pull and the earth on its axis
Explanation:
Hope this helps
Gravitational pull and the earth on its axis keeps earth from flying outward into space from its present position.
what is Gravitational force ?A gravitational force is defined as an attractive force which is exerted by a massive body on the massive body. So our body always tries to pull other body towards itself due to this gravitational force.
gravitational force is a force exerted by earth on other objects and can be represented as F=mg
F is the force of gravity, G is the gravitational constant of the universe and it is always the same number, M is the mass of one object, m is the mass of the other object (measured in kilograms, kg), r can be the distance those objects are apart (measured in meters, m)
This force can also be called as Newton's Universal Law of Gravitation And the object that are really far apart from each other don't pull on each other noticeably either.
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Which two processes allow water to enter the atmosphere?
evaporation and transpiration
precipitation and condensation
condensation and evaporation
transpiration and precipitation
Answer:
its c) condensation and evaporation
Explanation:
Evaporation and transpiration are the two processes that allow water to enter the atmosphere. The correct option is A.
What is transpiration?Transpiration is the method by which water vapor is lost via the stomata of plants. When the weather is very hot, the plant's loss of water vapor cools it down, and water from the stem and roots moves upwards or is started to pull into the leaves.
The direct impact of transpiration is that it regulates plant temperature and provides water for photosynthesis. It also transports nutrients and sugars through the plant's vascular tissues.
Evaporation is a way of vaporization that occurs on the surface of a liquid as it transitions from the liquid phase to the gas phase.
Both of these process aids to enter water into the atmosphere.
Thus, the correct option is A.
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Pedro is submitting an article to be peer reviewed. He is a biologist who found new evidence of climate change
Which would be the best group to review the paper?
biologists at the Environmental Protection Agency
physics instructors at a major university
chemists at the World Health Organization
a business that makes solar panels
Biologists at the Environmental Protection Agency
He's asking for peer review: biologists are his peers
Answer:
Biologists at th Environmental Protection Agency
Based on the discovery of Ötzi the Iceman in 1991, which statement about the nature of scientific knowledge is true?
a. It is permanent.
b. It is changeable.
c. New evidence is often disregarded.
d. New evidence always confirms the previous evidence.
Answer:
B. It is changeable
Explanation:
Otzi changed our thoughts about early humans
The element phosporus is located to the right of the element magnesium along the same period in the periodic table.
Which best describes the relationship of the elements ?
A. Magnesium has a larger atomic number
Answer: B. Phosphorus has a larger atomic mass.
C. Magnesium is in the same category as phosphorus
D. Phosphorus has similar chemical properties as magnesium
Answer:
b
Explanation:
The relationship which describes the best of the element"B. Phosphorus has a larger atomic mass."The correct option is B.
Atomic mass:
Atomic mass refers to the combined mass of protons, neutrons, and electrons in an atom.
The periodic table arranges elements in order of increasing atomic number, which corresponds to the number of protons in an atom's nucleus.
Elements in the same period (horizontal row) have the same number of electron shells, while elements in the same group or column have similar chemical properties.Phosphorus is located to the right of magnesium along the same period, indicating that it has a larger atomic number (more protons) than magnesium.Phosphorus has a larger atomic mass, while magnesium has a smaller atomic mass compared to phosphorus.Therefore, the correct option is B.
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PLZ HELP ME ASAP ITS DUE IN 1h
Given what you know about cellular organelles, what problems do you predict a cell would have if it had a defect in a lysosomal enzyme
Answer:
Cells without lysosomal enzymes will not be able to digest food and these will lead to accumulation of wastes in the cells, leading to cancerous growth and the cells will not be able to live long.
Explanation:
Lysosomes is a membrane bound organelles found in eukaryotic cells that produce lysosomal enzymes which help to breakdown or engulfs biomolecules like proteins, carbohydrates, nucleic acids, lipids it engulfs in the cells to molecules it will easily be absorbed.
Without these enzymes or defect in these enzymes, biomolecules will not be broken down and it's resultant effect is accumulation of wastes which can lead to cells destruction.
Cholera is a disease that is spread in water. Which would be the most practical way to prevent the spread of cholera in a human population? adding antibiotics to the water irradiating the water improving sanitation restricting use of natural water sources
Answer:
Hi! It's improving sanitation :)
Explanation:
edge2020
Improving sanitation would be the most practical way to prevent the spread of cholera in a human population.
How is cholera spread?The cholera bacteria are passed through feces (poop). It is spread by eating or drinking food or water contaminated by the feces (poop) of an infected person. This occurs more often in underdeveloped countries lacking proper water supplies and sewage disposal.
Is cholera water or airborne?Cholera is a diarrheal disease caused by the bacterium Vibrio cholera. It is almost always transmitted by water or food that has been contaminated by human waste.
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Why do mosses need a moist environment to reproduce sexually?
Answer:
So the sperm can travel to the egg
Explanation:
Their flagellated sperm must swim through water to reach the egg. So mosses and liverworts are restricted to moist habitats.
The heart is an example of which level of organization within an organism
Answer:
The correct answer is - organ level organization.
Explanation:
The heart is made up of various types of tissues that include muscle tissue, nerve tissue, and blood tissue. All these types of tissues are organized to form the organ level organization which makes the heart is an organ.
Tissues are made up of cells and organs are made up of tissues and various organs combine together to do a specific function, this is an example of an organ system.
Thus, the correct answer is - organ level organization.
The seed plants become dominant during the late when the climate became
Answer:
Cold
Explanation:
They can not survive in cold conditions
Which of the following is not true about Darwin’s book On the Origin of Species?
a.
He worked on the manuscript for three years.
b.
It was successful.
c.
It explained his theory of evolution.
d.
It was based on his findings in South Africa.
Answer:
The correct answer is option D. It was based on his findings in South Africa.
Explanation:
The theory of natural selection was first planned in Darwin's book "On the Origin of Species" in 1859, which is the process by which life forms change after some time because of changes in heritable physical or behavioral qualities.
His book On the Origin of Species took three years time to complete as he worked on the manuscript for three years. It was successful book. However, it was not based on his work on africa.
Answer:
it's d
Explanation: just took the test
Which ecosystem would be most sustainable if all the grasses died from severe drought
Answer:
Deserts
Explanation: Deserts need little to no water
Who is known as the "father of modern chemistry" because he first organized all known elements into four different groups?
A. Johann Wolfgang Döbereiner
B. Antoine Lavoisier
C. Dmitri Mendeleev
D. Henry Moseley
Answer:
The answer is D, Henry Moseley.
Explanation: I took the quiz and scored 100%, so I'm certain this is accurate.
Answer:
Henry Moseley
Explanation:
What are the organisms that breakdown dead organisms called
Answer:
Decomposers
Explanation:
hope it helps
Answer: The answer is decomposers.
Explanation:
5. All matter is formed of tiny particles that are constantly __________________ .
a. The particles in a(n) _________________stay in one place but move
quickly back and forth in all directions.
b. The particles in a(n) ____________________can slide past one another.
c. The particles in a(n) ____________________ move freely.
6. The particles in matter _____________________one another.
Answer:
answer is
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what is a sum of people's skills, abilities, health and motivation?
Answer:
I think you are looking for the term Human Capital
Answer:Term. Human Capital. Definition. Sum of people's skills, abilities, health, knowledge and motivation.
Explanation:
Define power and explain how to determine power. (4 poi
Answer:
Power is the rate of doing work
Power = work done/ time taken
Explanation:
What helps water move across the
membrane quicker?
Answer:
The sell membrane
Explanation:
Hope it helped
Answer:
A channel protein
Explanation:
A channel protein, a type of transport protein, acts like a pore in the membrane that lets water molecules or small ions through quickly. Water channel proteins (aquaporins) allow water to diffuse across the membrane at a very fast rate. Ion channel proteins allow ions to diffuse across the membrane.
Which genotype is written incorrectly? AaAP pApr iiYy
how are lipids like carbohydrates
Carbohydrates and lipids are both types of macromolecules found in living things. Carbohydrates are often referred to as sugars and are found in different forms such as glucose and maltose. Lipids are fats, oils, waxes and steroids and are made up of fatty acids.
A student who studies the sizes of groups of birds records
data for this group of ducks.
Which two terms describe the relationship between the two variables in this graph
A:negative
B:strong
C:weak
D:positive
Negative and strong apex
Answer:
c
Explanation:
please explain the interactions and interdependence of organisms within a biosphere. please provide me with a different example on these interactions and interdependence in the picture below. include nonliving organisms an illustrate why they are essential organisms
Answer:
The interactions, between organisms, is like humans talking
humans. The interactions are the animals
drinking the water, walking on the ground, climbing
trees, and more.
Explanation: Got it right :)
Which of the following is a way humans use trees?
a.paper
b. food
c.wood
d. all of the above
Answer:
The answer is D: All the above
Explanation:
Just took the quiz
Use your knowledge of relationships in a food chain, describe how a cow gets the energy it needs to survive YOU MUST USE THE WORDS sunlight, photosynthesis, producer and consumer in your answer
Answer:
All energy on Earth originally comes from the Sun. Plants use sunlight in a process called photosynthesis, to make their own food and provide energy. This is why plants are producers, because they make their own food. Cows eat plants, namely grass. So, when the cow eats the grass, the energy from the grass transfers to the cow. This is why cows are consumers, because instead of making their own food, cows, like humans, must consume their food to survive.
The mushrooms thrived without hurting trees.
Answer:
Commensalism
Explanation:
One organism benefits and other is unaffected.
Give one similarity and one difference between the cell theory and the theory of
spontaneous generation.
Answer:
The fact that only cells are able to produce more cells is part of cell theory. The idea that organisms can develop independently of cells is called spontaneous generation, and it isn't supported by cell theory. Spontaneous generation suggests that living organisms develop from non-living matter.
How many trophic levels are there in the following food chain?
Grass - Grasshopper - Frog - Snake
Answer: Four
Fun Fact - Locusts are actually species of short-horned grasshoppers, they often gather in large swarms and can destroy entire fields of crops, because a single grasshopper can eat half its body weight in plants per day.
There are four trophic levels in the given food chain, i.e., producer, primary consumer, secondary consumer, and tertiary consumer.
What is a food chain?A food chain is a network of connections in a food web that begins with producer organisms and ends with a predator, detritivore, or decomposer species.
In the given food chain, grass is produces, grasshopper is primary consumer, frog is secondary consumer, while snake is tertiary consumer.
Thus, there are four trophic levels in the given food chain.
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A water strider sits on the surface of a pond. This occurs because
Answer:
their legs contain specialized hairs that are able to repel the water and to capture the air
Explanation:
The water strider is one of the most common aquatic insects. Water striders can sit on the water surface due to they have specialized hydrophobic water-repelling hairs in their legs that allow them to use the surface tension of water in order to distribute the weight. Thus, the hairs in the legs of these insects enable them to float and move on the water surface.