Biology multiple choice.

The root system of a grass plant interacts with the vascular system to increase the ability of the plant to obtain nutrient molecules. That is option C.

The plant is made up of the root and the shoot systems which continually communicates for the growth and maintenance of the whole plant.

The root system is part of the plant that grows downwards. It has the following functions:

Therefore, the root system of a grass plant interacts with the vascular system to increase the ability of the plant to obtain nutrient molecules.

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Answer:

The tires lose air pressure in the winter because it contracts. If you have 35 lbs in the summer, with 85 degrees, when it gets cold, down to -10, your air pressure can get down to about 25 lbs. So before it gets bitter cold, inflate your tires up a little. You don’t want to be putting air in your tires once it is freezing out. Sometimes the schrader valve doesn’t seat properly because of frost and the rubber seal is hard. I have had several tires go flat on me because of this.

Explanation:

Answer:

Humans have breached this cycle by digging up fossil fuels and burning them, leading to carbon dioxide building up in the atmosphere faster than natural systems can soak it up. This has led to a net increase in greenhouse gases in the atmosphere, causing the planet to heat up.

Explanation:

Answer:The answer is A

Explanation:I have had the question before

Answer:

it is a

Explanation:

Answer:

Domain

Kingdom

Phylum

Class

Order

Family

Genus

Species

An easy way to remember this is Dear King Phillip Came Over For Good Spaghetti.

Answer:

James Watson and Francis Crick with their DNA model at the Cavendish Laboratories in 1953.

Explanation:

Answer:

Yes

Explanation:

Natural selection was first postulated by Charles Darwin. It is the idea that organisms that are best adapted to their environment are able to survive and reproduce thereby transmitting their favorable characteristics to their offspring.

In our experiment, the insects that were able to survive were allowed to reproduce thereby transmitting their favorable characteristics to their offspring. This is a demonstration of natural selection.

Answer:

Organ systems of the human body interact to maintain a balanced internal environment,As blood flows

Explanation:

through certain organs of the body, the composition of the blood changes because of interactions with those organs. state one change in the composition of the blood as it flows through the respiratory system.

Answer:

The reproductive system produces the ovum, and the muscular system causes the migration of the ovum by peristaltic contractions.

Explanation:

Answer:

Explanation:

In physics, there are seven fundamental physical quantities that are measured in base or physical fundamental units: length, mass, time, electric current temperature, amount of substance, and luminous intensity.

Answer:

As shown in the pictures above, the ice is absorbing heat energy from the hand and the surroundings, which results in the melting of the ice- a process of change of state from solid to liquid. The hand feels cold .

Note: The question is incomplete as it is lacking some details.

Explanation:

Melting is a change of state process which involves the change from solid to the liquid state. Solids when they absorb heat, change to liquids at a temperature known as the melting point. This change of state occurs because the molecule of the substance acquires enough energy which to be able to overcome the intermolecular forces holding the ice crystals together, as a result, the molecules begin to melt.

In the picture,the melting of the ice held by the hand is because the ice absorbs heat from the hand as well as from the surroundings . As a result of this loss of heat from the hand, the hand feels cold after. The process of this heat transfer is by conduction whereby heat is conducted away from the hand in order to melt the ice which is contact with the hand.

Answer:

A

Explanation:

Geothermal power plants, which use heat from deep inside the Earth to generate steam to make electricity.

Answer: it’s A

Explanation:

Answer:

an experiment

Explanation:

In the personality research methods, an experiment is the method determines the effect of one variable or more variables on the behavior. In personality research methods, we conclude that :

-- it can be stable as well as predictable

-- it is based on the behavior and the personality  traits

-- it is resistant to the sudden changes

Answer:

i think A

Explanation:

A macromolecule is a very large molecule, such as a protein. They are composed of thousands of covalently bonded atoms. Many macromolecules are the polymerization of smaller molecules called monomers.

pa brainlies po pls

The statement that is true as regards macromolecule is Amino acid are bonded together to make a protein.

macromolecule can be regarded as the big molecules which are the composition of smaller molecules.

For instance,  very large molecule, such as a protein or carbohydrates.

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Answer:

They are the building blocks of life.

Explanation:

They are so called the building blocks of life because they make up everything

Answer:

Herbivore, of course, I'm really sure that we all know exactly what a herbivore is, but as a refresher, a herbivore is like a vegetarian, they have a diet strictly based on plants. Carnivore's eat meat, not vegies, and an omnivore eats both, most humans are labeled as omnivores, except vegetarians. So your answer is Secondary Consume. This is because they only receive 10% in vegies, Primary Consume get 90%, Herbivores are Primary Consume's.

Answer:

The density of a liquid is shown by the object sinking or floating. Therfore, using this information if the object sinks then the object is more dense than the object that floats. When it comes to the density of liquids if the liquid sits on top of the water and does not mix, the liquid is less dense than water. If the liquid sinks into the water and the water sits on top, the liquid is more dense than the water.

Explanation:

Answer:

1. Fossil record  

2. Comparative anatomy

3. Embryology

4. Biogeography  

Explanation:

Evolution is descent with modification. The organic evolution theory states that present complex life forms have evolved from the earlier (simpler) forms of life over time. Some of the most important pieces of evidence in support of the theory of organic evolution are:  

1. Fossil record: fossils are dead remains of past living organisms preserved in the rocks of the remote past. These fossils demonstrate the existence of past living organisms that are related to present-day organisms.  

2. Comparative anatomy refers to the study of similarities in the anatomy of different species, which provides direct evidence for identifying common ancestry between related species.

3. Embryology: the more recent the ancestor is that two species share, the greatest similarities in embryo structures and the more closely related the species are. In this regard, it is important to highlight that often homologous organs/structures (i.e., organs/structures descended from a common ancestor) can be observed only in embryos.

4. Biogeography refers to the spatial distribution of organisms and species. Species distribution reflects the evolutionary process when it is combined with geological change. For example, taxa that had already appeared before ​the separation of the continents are often distributed worldwide.

Answer:

An Ocean Shore

Explanation:

The wind would erode and deposit sand from dunes, and the water from the waves will erode rocks.

Answer:

the open ocean

Explanation:

Answer:

Vesículas e vacúolos são sacos ligados à membrana que funcionam no armazenamento e transporte. Os vacúolos são um pouco maiores do que as vesículas, e a membrana de um vacúolo não se funde com as membranas de outros componentes celulares. As vesículas podem se fundir com outras membranas dentro do sistema celular

Answer:

decreases

Explanation:

Answer:

3) Ecology

Explanation:

Ask ya teacher:P

Answer:

Apoptosis is the process of programmed cell death.

Explanation:

Answer:

They bind to an allosteric site which induces a conformational change that increases the affinity of the enzyme's active site for its substrate. This increases the reaction rate.

Answer:

Gills, Scales, swim bladder, and backbone.

Answer:

B. Rock salt

Explanation:

Answer:

B. Rock salt

Explanation:

Answer:

a. low hemoglobin levels despite high elevation in Tibetan populations over generations.

Explanation:

Natural selection can be defined as a biological process in which species of living organisms having certain traits that enable them to adapt to environmental factors such as predators, competition for food, climate change, sex mates, etc., tend to survive and reproduce, as well as passing on their genes to subsequent generations.

Simply stated, natural selection entails the survival of the fittest. Therefore, the species that are able to adapt to the environment will increase in number while the ones who can't adapt will die and go into extinction.

A suggested evidence of natural selection at work in humans is the observation of low hemoglobin levels despite high elevation in Tibetan populations over generations. This is as a result of a low level of oxygen in the blood of a living organism such as humans.