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uranmaximum [27]
3 years ago
13

Think about what the terms density-dependent and density-independent mean. Which of the following statements about how density-d

ependent and density-independent factors affect population growth is TRUE?
a. The effect of most density-independent factors on population growth is greater when population density is high.
b. The effect of most density-independent factors on population growth is greater when population density is low. Number of Sheep (Thousands)
c. The effect of most density-independent factors on population growth is not related to population density.
d. The effect of most density-dependent factors on population growth is not related to population density.
Biology
1 answer:
Lera25 [3.4K]3 years ago
3 0

Answer:

The Correct answer is C: The effect of most density-independent factors on population growth is not related to population density.

Explanation:

In nature, the population size and growth are limited by many factors. Some of these factors depend on the population density, while some others are density-independent.

Limiting density-dependent factors provoke a change in the population growth rate per capita, as the density increases.  In general, this change is a decrease in the growth rate. An example of these density-dependent factors might be competition or limited food availability.

The density-independent factors also affect the growth rate in a population, but they do not depend on its density. Some examples of these are natural disasters, or environmental conditions, among others.  

So,

a) False: the effect of most density-independent factors do not depend on the population density.

b) False: the effect of most density-independent factors do not depend on the population density.

c) TRUE: The effect of density-independent factors are not related to population density

d) False: The effect of most density-dependent factors ARE related to population density

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Explanation:

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atch the statement to the following options.A. One of a pair of chromosomes with similar genetic information and from different
Goryan [66]

Answer:

A. Homologue.

B. Chiasma.

C. Synaptonemal.

D. Synaptonemal.

E. Synapsis.

Explanation:

Genetics can be defined as the scientific study of hereditary in living organisms such as humans, animals and plants.

Synaptonemal complex can be defined as a network of proteins that is responsible for holding homologous chromosomes (homologues) together.

Generally, a synaptonemal complex (protein lattice) is formed between homologous chromosomes during mitosis and meiosis. Also, synaptonemal complex is important for the formation of the four sister chromatids referred to as tetrads.

Furthermore, the synaptonemal complex (protein lattice) has a tripartite structure which comprises of the following components;

I. SC protein-1 (SYCP1).

II. SC protein-2 (SYCP2).

III. SC protein-3 (SYCP3).

In conclusion, the synaptonemal complex plays a significant role in synapsis, recombination and chromosome pairing.

Matching the various terminologies in genetics with their description, we have;

A. Homologue: one of a pair of chromosomes with similar genetic information and from different sources like the sperm and egg.

B. Chiasma: several X-shaped structures may be visible under the microscope and indicate where crossing over has occurred.

C. Synaptonemal: a lattice of protein holds two replicated chromosomes in precise register with one another.

D. Synaptonemal: four chromatids are held together by a zipper-like structure.

E. Synapsis: a process in which pairs of homologous complex chromosomes line up side by side.

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