Which animal is a tertiary consumer in this food chain?

Answer:

what type of question it is

Answer:

a

Charles Darwin

Explanation:

Answer: Stabilization selection

Explanation:

Natural selection involves the differential survival and growth of organisms which have suitable traits to survive in unfavorable or adverse environment. Such traits are passed on to the next generation. Stabilization selection is a type of natural selection in which the nature selects the non-extreme phenotypic traits. Middle traits are selected and such organisms grow and reproduce. Example can be given that of human babies in which babies with low weight lose more heat and babies with high weight are difficult to be delivered from the pelvis. Therefore, babies with middle weight are expected to survive more than that of low or middle weight.

Answer:

i think its a hidden water source

Sobre la pregunta:

Cucigrama. Pregunta 1 vertical. Absorbe nutrientes por medio de micro vellosidades que recubren y aumentan la superficie de absorción

Answer:

Intestino delgado

Explanation:

El intestino delgado es el organi mas largo del tubo digestivo, pudiendo medir 7 metros de longitud y 3 cm de diametro. Se caracteriza por estar sumamente plegado sobre si mismo. La primera porcion, llamada duodeno, recibe secresiones de glándulas biliar y pancreática, y las mezcla con enzimas digestivas. Esta mezcla se encarga de degradar la comida y transformarla en sustancias solubles, como amino ácidos.

Es en el intestino delgado donde ocurre la absorción de nutrientes.  Las paredes intestinales estas cubiertas por microvellosidades que aumentan la superficie de absorción.  

Las microvellosidades son células que componene el epitelio columnar, y que extienden proyecciones hacia el lumen del organo.  

Answer:

Carbon dioxide is necessary for photosynthesis because plants make their food only in the presence of carbon dioxide

I hope this will help you :)

Answer:

False

Explanation:

Scientists have tried to remove them or kill them.

Answer:

3. Break down food so nutrients can be absorbed

Explanation:

the reasoning is when you digest something your body is breaking down the food into small chuncks so that the nutrients can be absorbed easier

Answer:

“Hard limits” to population growth are things like food, water, energy, technology, living space, other basic needs and economic factors which limit people’s ability to access these things.

“Soft limits” to population growth are things like education, birth control, the desire for a better life individually and a better global future for humanity, religious celibacy or chastity or abstinence, female empowerment and economic participation, the suffering already caused by overpopulation and the desire to avoid further suffering, malnutrition or non-lethal starvation which reduces sexual libido, pollution and other man made causes of involuntary sterility or low sperm count or low fertility, desire to save the environment, aversion to pain and suffering when understood that population growth causes both.

Countries with better quality of life and access to food and basic needs often have lower birth rates and lower population growth. This shows that soft limits can actually be more effective than hard limits to stop population growth. You have plenty of countries in Africa running into hard limits and having some of the highest fertility and population growth rates at the same time. They also suffer massive problems like war, poverty, disease and low standard of living. This goes to show that running into the hard limits will pretty much let things get as bad as they can get before it stops population growth. The hard limits won’t stop all the suffering caused by overpopulation but will make enough people suffer TO DEATH that the population doesn’t grow. People fear pain, thus the soft limits are more effective when they understand that population growth was responsible for pain or suffering and avoid it.

B. The maximum number of a population that an ecosystem can sustain.

Answer:

1. Hormones

2. Reproductive system

Explanation:

the endocrine system is responsible for producing hormones, and the hormones produced by the pituitary gland regulate reproductive systems.

Answer:

Explanation:

Waxy cuticle is a white powdery substance that is insoluble, it is found usually on the surface of stem or leave and it prevent excessive loss of water through transpiration.

It is an adaptive mechanism used in dry areas or desert to help plants retain water that is needed for their growth by reducing amount of water loss through transpiration.

Cactus is an example of plant with cuticle that thrive well in dry areas

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Explanation:

i have no clue, but good luck, hopefully you pass the test

Answer:

The correct answer is - to sterilize it and remove any oxygen.

Explanation:

Boil the glucose solution to sterilize it and remove any oxygen, leaving behind the glucose needed for anaerobic respiration. High temperature kills all the microbes and sterilizes the solution.

Boiling the glucose solution earlier also helps in removing the oxygen from the solution for preparing the anaerobic respiration in the experiment desired. Sterilization of the solution also helps it in avoiding any microbes to present in the solution and affect the experiment.

Answer:

Woman's gametes are called Ova. Sperm is what a mans gamete is.

Explanation:

Answer:

Conduction.

Explanation:

Conduction is the process in which heat energy is transferred from the hotter body towards colder body because of temperature difference between two bodies. Conduction occurs only due to physical contact between two bodies. In the conduction process, the thermal energy flows from a body with a higher temperature to the other body having lower temperature until both bodies having same temperature.

Answer:

Decomposers

Explanation:

Decomposers eat decaying or dead organisms to produce the nutrients.

Explanation:

There is a popular sampling method called capture – recapture or 'Lincoln Index' or 'Pieterson's Method' which is used to estimate the size of an animal or human population.

I) Independent assortment.

II) Nucleosomes, DNA, chromatin, chromosomes.

III) 3.

➻ Recombination scrambles pieces of maternal and paternal genes, which ensures that genes assort independently from one another.

➻ We know that Chromatin is a complex of DNA and proteins that forms chromosomes. Chromatin looks like beads on a string. The beads are called nucleosomes. Each nucleosome is composed of DNA.

➻ Triploids with three different alleles can easily be detected because they have a unique phenotype.

The process involved in genetic recombination is INDEPENDENT ASSORTMENT. The correct order from smallest to largest is DNA, nucleosomes, chromatin, chromosomes. In a triploid organism, there are 3 ALLELES for each gene.

In independent assortment, different gene variants or 'alleles' are independently and randomly assorted into daughter cells, which allows genetic recombination.

In eukaryotic organisms, DNA is associated with histone proteins in order to form nucleosomes, which arrange in higher organization structures called chromatin fibers.

Subsequently, chromatin fibers condense to form structures called chromosomes.

A triploid organism (3n) contains three sets of homo-logous chromosomes, each one containing one allele for a given locus.

In conclusion, the process involved in genetic recombination is INDEPENDENT ASSORTMENT. The correct order from smallest to largest is DNA, nucleosomes, chromatin, chromosomes. In a triploid organism, there are 3 ALLELES for each gene per cell.

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Explanation:

cell cycle is made up of three main parts: interphase, mitosis, and cytokinesis. Most biologists agree that interphase makes up the period of time that a cell would be preparing for cell division. Cells spend the majority of their lives in this stage. During interphase a cell is going to be growing, replicating its genetic material and essentials to carry out cell division, and proofreading the genetic material to ensure replication has occurred correctly. This doesn’t sound like much, but it’s actually the longest part of the cell cycle. Once this is complete, the cell will then go through cell division and, theoretically, split into two new cells (cytokinesis).

How cytokinesis works will depend upon the type of cell that is dividing. Here is an image that summarizes the differences in cytokinesis in plant cells and animal cells, which is the classic example used in many introductory biology courses:

Answer:

The answer is D: Precipitation

The new cell has an increased surface area to volume ratio​ is a process that makes easier the exchange of materials across the surface of the cell (Option C).

Cell division is the process by which cells generate new daughter cells, which may be due to mitosis or meiosis in higher organisms.

Cell division is able to increase the surface/volume ratio and therefore it facilitates the movement of materials in the resulting cells.

In conclusion, news cell has an increased surface area to volume ratio​and it makes easier the exchange of materials (Option C).

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Answer: Oxygen

Explanation:

During the process of cellular respiration, carbon dioxide is given off as a waste product. This carbon dioxide can be used by photosynthesizing cells to form new carbohydrates. Also in the process of cellular respiration, oxygen gas is required to serve as an acceptor of electrons.

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Answer:

oxygen

Explanation:

we breathe it in during cellular respiration

Answer:

Explanation:

nitrogen

Answer:

nitrogen

Explanation:

Answer:

I think the answer is A

Explanation:

The presence or absence of a cell wall is examining cells under a microscope.

Cell walls are a specific type of extracellular matrix that cover every plant cell. Many of the traits that set plant cells apart from animal cells are caused by the cell wall.

The cell wall serves a variety of activities that are essential to plant life, despite being frequently thought of as an inert product used only for mechanical and structural purposes.

These include:  giving the living cell mechanical defense and a chemically insulated environment; offering a porous medium for the circulation and distribution of water, minerals, and other small nutrient molecules.

Therefore, The presence or absence of a cell wall is examining cells under a microscope.

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Answer: C

Explanation: None