Competition is when two species require the same limited resources and can reduce overall health. In biology, it refers to the interaction between species that negatively affects the population size or health of one or both species.
The correct answer is c. Competition.
In biology, competition refers to the interaction between two or more species that require the same limited resources and can negatively affect the overall health or population size of one or both species.
For example, in a forest, two species of birds may compete for the same nesting sites or food sources, leading to a decrease in the reproductive success or survival of one or both bird species.
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Answer:
false
Explanation:
Based on the information provided within the question it seems that this statement is false. Two variable only have a casual relationship if one of the variables causes the other one to exist, which does not seem to be the case in this situation. Instead this situation can be considered as a correlated relationship as a change in one variable influences the other.
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Answer:
The age of 35 years was established to offer invasive techniques, because at this age the risk of secondary abortion was balanced by the technique and the risk of chromosomal alteration.
Explanation:
The possibility of early diagnosis of fetal anomalies of various kinds (neural defects, chromosomopathies, etc.) has been one of the top concerns of gynecologists and geneticists, for obvious reasons.
Throughout these years, prenatal diagnostic techniques have been developed that allow therapeutic decisions by doctors or viability of pregnancy by parents. These techniques are initially performed with non-invasive methods (biochemical determinations, ultrasound), and if the suspicion is increasing, it is passed to more invasive techniques such as amniocentesis or chorionic villus biopsy.
Given that in the latter there is a risk of loss of pregnancy, it is previously attempted to ensure that the indication is correct, and for this, new biochemical tests and risk calculation systems have been added.
Until recently the criterion for establishing the risk of fetal chromosomal abnormality was the mother's age, since there was a clear relationship between maternal age and chromosomal abnormalities, especially Down. The age of 35 years was established to offer invasive techniques, because at this age the risk of secondary abortion was balanced by the technique and the risk of chromosomal alteration. The problem was that a small number of cases were detected. Therefore, other parameters have been sought that estimate more precisely those subsidiary chaos of early detection.
The estimation of the risk in a given pregnant woman is done by multiplying the risk associated with her age for the specific gestational age.
Currently, most prenatal tests consist of AFP, estriol and human chorionic gonadotropin (hCG), which is the triple test, which is a blood test that assesses the risk in a pregnancy of having a Down syndrome or spina bifida It is not a test that tells us whether or not the fetus has any of these defects. It is a test that tells us the probability of risk of having them. Studies have shown that about 70% of fetuses with Down syndrome can be identified early combining the analysis of the mother's age and the results of the triple test.
Nucleus
Mitochondrium
Cell membrane
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deposition
transport
DEPOSITION is a constructive process.
A constructive process refers to a process that involves the building up of a particular thing or object. Deposition refers to the geological process by which sediments are added to a land form. The sediments can be in form of soils or rocks. Weathered materials that are transported by factors such as wind, water, gravity, etc are deposited in layers leading to the building up of the land form.