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salantis [7]
2 years ago
5

When we study the effects of chronic stress on human health, most of our chronic stress is imaginary, meaning, it's made up by o

ur imagination and conscious thought, created by the Frontal lobe. Discuss, why frogs and lizards cannot experience chronic stress like that?
Biology
1 answer:
umka2103 [35]2 years ago
8 0

Answer:

Reasoning and understanding is performed by the Pre-frontal cortex which is the part of the frontal lobe where is the other major part that deals with the implementing and planning approaches performed by the dIPFC.

Prefrontal cortex which is the part of the frontal lobe is not present in lizards and frogs, as they have limbic system which is phylogenitcaly very primitive.

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Q5.8. How can an increase in algal population size kill fish?
creativ13 [48]
Algae clogs the mouths of the fish, preventing them from eating, The algae use up the oxygen in the water as they photosynthesize When the algae die, their decomposers use up the oxygen in the water.
8 0
1 year ago
Identify the cell stage of erythropoiesis indicated by "e."
Sidana [21]
Is there a picture that shows what 'e' is? Possible description?
3 0
2 years ago
3. In Module 1.3 Cell Types, examine the illustrations of six specific cells: a neuron, red blood cell, osteocyte, skeletal musc
andreyandreev [35.5K]

Answer:

Please find the similarities and differences between these cells below.

Explanation:

According to this question, six specific cells are examined. They are: neuron, red blood cell, osteocyte, skeletal muscle cell, sperm cell, and egg cell.

SIMILARITIES:

These cells are cells that make up different tissues and systems in living organisms. They perform different functions in their respective locations, however, they are similar in the sense that they all possess some cellular components called organelles. The organelles that are common to all these types of cells are CELL MEMBRANE, RIBOSOMES, MITOCHONDRIA, GENETIC MATERIAL (DNA), NUCLEUS,

They also possess two set of chromosomes in their nucleus i.e. diploid.

DIFFERENCES:

However, they differ in their functions. For example;

- neuron: nerve cell whose function is related to the nervous system

- red blood cell: blood cell whose function is related to circulatory system

- osteocyte: bone cell whose function is related to the skeletal system

- skeletal muscle cell- muscle cell whose function is related to the muscular system

- sperm cell: a male sex cell whose function is related to reproduction

- egg cell: a female sex cell whose function is related to reproduction

8 0
2 years ago
Please help me i don’t understand
Eddi Din [679]
1. Biogeography, the study of the geographic distribution of plants, animals, and other forms of life. It is concerned not only with habitation patterns but also with the factors responsible for variations in distribution.

2. weathering and other natural forces break down the substrate, rock, enough for the establishment of certain hearty plants and lichens with few soil requirements, known as pioneer species. These species help to further break down the mineral-rich lava into soil where other, less hardy species can grow and eventually replace the pioneer species. In addition, as these early species grow and die, they add to an ever-growing layer of decomposing organic material and contribute to soil formation. This process repeats multiple times during succession. At each stage, new species move into an area, often due to changes to the environment made by the preceding species, and may replace their predecessors. At some point, the community may reach a relatively stable state and stop changing in composition. However, it's unclear if there is always—or even usually—a stable endpoint to succession.

3. I don’t have the video so I’m going to take. Wild guess. Just look up types of finches

4. Broadly speaking, different species are unable to interbreed and produce healthy, fertile offspring due to barriers called mechanisms of reproductive isolation.
These barriers can be split into two categories based on when they act: prezygotic and postzygotic.

I tried my best hope this helps :)
6 0
2 years ago
What are the differences between internal receptors and cell-surface receptors?
aliya0001 [1]

Answer:

Internal receptor: Internal receptors present on the cytoplasm, and also known as cytoplasmic or intracellular receptor. These Internal receptors respond to hydrophobic ligand molecules which can travel across the plasma membrane. These receptors can influence (directly) the gene expression means how much a specific protein is produced from a gene without having to pass the signal on the other receptor.

Cell-surface receptor: cell-surface receptor is present on the cell membrane is known as trans-membrane receptors. This trans-membrane receptor binds to external ligand molecules which cannot travel across the cell membrane. They are also called cell-specific proteins because they are specific to individual cell type. The cell-surface receptor has 3 main components:

1) External ligand-binding domain.

2) Hydrophobic membrane-spanning region.

3) Intracellular domain.

3 0
2 years ago
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