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Arlecino [84]
3 years ago
13

Create a food chain with a producer and 3 consumers.

Biology
2 answers:
Triss [41]3 years ago
7 0

Answer: dandelion is consumed by bees, grasshoppers, and butterflies.

garik1379 [7]3 years ago
6 0

Answer:

primary consumers, secondary consumers, tertiary consumers.

Explanation:

Hope this helps

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Sequence the steps, 1–4, in the order required to create a permanent slide of human cheek cells. [1 mark] Specimen dehydrated Sp
gogolik [260]

Answer:

The correct order is dehydration, embed in wax, cut into sections, staining

Explanation:

There are certain proceedings needed to obtain stained sections of vegetable or animal tissues for their microscope observations.

These steps are:

  • Obtention of the material: The tissue is cut to an adequate size.
  • Fixation: When tissues are extracted from the organism, they suffer autolysis and putrefaction, so they need to be fixated in order to keep their cells in the best state possible. Fixation involves preserving the original morphological and molecular characteristics of the tissue. Fixation avoids autolysis, putrefaction, distortion, and retraction of cells and the tissue that could affect its volume or morphology.  
  • Dehydration. Once fixated, the fixator must be eliminated and the tissue is dehydrated by using a gradual series of solutions with alcohol in ascendant concentrations. Dehydration must be gradual to avoid tissue deformation.
  • Inclusion. To obtain thin cuts that can be observed under the optic microscope, the tissues must be included in a consistent, firm substance, that might be either hydrophilic or hydrophobic. A hydrophobic medium is paraffin wax, that provides hardness and plasticity.  
  • Cut. The tissue included in wax must be cut in slides or sections thin enough to allow the diffusion and penetration of light. A microtome is used to perform these cuts. When using paraffine for tissue inclusion, the cuts are about  5 to 20 micrometers of thickness.
  • Stain. Once the cuts are performed, paraffin wax must be eliminated. This can be done by using an organic solvent. Then the tissue must be stained. Hematoxylin and Eosin are the most common dyes. Animal tissues in general do not have any natural color, so they need to be stained to be observed.  
7 0
3 years ago
When a muscle is stimulated to contract aerobically, less lactic acid is formed than when it contracts anaerobically because:___
lyudmila [28]

Answer:

5. under aerobic conditions most of the pyruvate generated as a result of glycolysis is oxidized by the citric acid cycle rather than reduced to lactate.

Explanation:

The contraction of muscles occurs in the presence of Adenosine Triphosphate (ATP) because ATP supplies the muscles with the energy they require for contraction.

Muscles can undergo contraction Aerobically ( in the presence of oxygen) or Anaerobically ( in the absence of oxygen).

When a muscle is stimulated to contract aerobically, less lactic acid is formed than when it contracts anaerobically because under aerobic conditions most of the pyruvate generated as a result of glycolysis is oxidized by the citric acid cycle rather than reduced to lactate.

4 0
3 years ago
What is Vaginosis? List some of the members of the normal microflora of the female reproductive organs and discuss factors that
Vilka [71]

Answer:

It is a common condition that includes overgrowth of atypical bacteria in the vagina

Explanation:

It is characterized by vaginal discharge that is when a fluid flows out from the vaginal opening with an abnormal odor or consistency and sometimes pain, the normal microflora of the  female reproductive organs includes Gardenella, lactobacillus, Bacteroides, peptostreptococcus, fusobacterium , eubacterium, as well as a  number of other types, some of the factors that may contribute to an abnormal increase of these bacteria or  make them become unbalanced can be multiple or new sexual partners although some experts are skeptical about this; IUDs , recent antibiotic use, vaginal douching, and smoking. It is not dangerous but can cause discomfort symptoms.

4 0
3 years ago
What is the correct term for anthropology’s commitment to studying the entire picture of human life, including culture, biology,
jekas [21]

Holism.

Explanation:

Anthropology is the branch of scientific studies that deals with study of human development in terms of body structure, culture,social behavior and language.

Biological anthropology deals with the evolution of man on the basis of biological structures.

Cultural anthropology deals with the evolution of different culture and society.

Social anthropology deals with the evolution of various societies from the time when man was totally uncivilized.

Linguistic anthropology  deals with the study of evolution of languages.

In short anthropology deals with all the aspects of human beings. This commitment of anthropology to studying the entire picture of human life,including culture,biology,history and language is termed as Holism.

6 0
3 years ago
What are some ways that you can think of that your body maintains homeostasis? List some of these below, and label if any are sp
zvonat [6]

the excretory system. the kidney produce more concentrated urine so less water is lost from the body. sweat help maintain your body's natural temperature.

4 0
3 years ago
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