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kirza4 [7]
3 years ago
11

What is primary succession

Biology
2 answers:
devlian [24]3 years ago
7 0
<span>Primary succession is one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited.</span>
vovangra [49]3 years ago
3 0
Primary succession is one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited. In other words, it is the gradual growth of an ecosystem over a longer period.
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What is the Endangered Species Act? Describe one of its successes and explain some of the current controversies surrounding it.
frutty [35]

Answer:

The Endangered Species Act was formulated in 1973. This Act was made in order to protect the threatened and endangered species of both plants and animals and also to protect the habitats in which these species live.

One of the major success was that there were many species which actually recovered from this act. For example, the population of the Kirtland's warbler increased from 210 to 1415 from 1973 to 2005.

One of the major controversies which arose from this act was that the critics claimed that this act failed to show major recovery of animals. Out of the total 2000 endangered species listed, only 28 species were properly recovered.

5 0
3 years ago
What is the importance of adaptation as a mechanism for the survival of species?
Nana76 [90]

Animals can defend themselves against predators and extreme weather by adapting. Numerous birds may conceal themselves under long grass, while weeds, insects, and other creatures can alter their color to blend in. Predators find it challenging to locate them in search of food as a result.

<h3>What are species?</h3>

A species is a unit of biodiversity as well as the fundamental classification and taxonomic rank of an organism in biology. The biggest group of organisms in which any two individuals of the right sexes or mating types can conceive a fertile offspring, usually by sexual reproduction, is referred to as a species. A species can also be identified by its karyotype, DNA sequence, anatomy, behavior, or ecological niche. In addition, since fossil reproduction cannot be studied, paleontologists use the chrono species idea.

<h3>What are the different types of species?</h3>
  • Typological Species
  • Nominalistic Species
  • Biological Species
  • Evolutionary Species
  • Taxonomic Species.
  • Microspecies.
  • Biological Species.
  • Evolutionary Species.

To learn more about species visit:

brainly.com/question/13259455

#SPJ4

8 0
1 year ago
Which of these is least likely to be an adaptation of an organism to its environment?
Mkey [24]

Answer:

The correct answer is "C. Cave fish have evolved degenerated eyes because they have no use for vision in dark, underwater caves."

Explanation:

All of these statements about organism adaptation to its environment are true, but the real reason why cave-fish are blind is not because there's no use for their eyes in the dark, but because being blind saves them energy, as using one's vision requires the activity of photoreceptive cells and neurons, and underground caves are lacking in both food and oxygen.

4 0
3 years ago
A gene for corn has two alleles, one for yellow kernels and one for white kernels. Cross pollination of yellow corn and white co
Rina8888 [55]

The question is incomplete. The complete question is:

Question: A gene for corn has two alleles, one for yellow kernels and one for white kernels. Cross pollination of yellow corn and white corn results in ears of corn that have an approximately even mix of yellow and white kernels. Which term best describes the relationship between the two alleles?

a) Incomplete dominance

b) Genetic recombination

c) Chimerism

d) Codominance

Answer:

d) codominance

Explanation:

Codominance is a pattern of inheritance when none of the alleles of a gene is able to mask the expression of the other allele of the same gene. When the two alleles are present together in a heterozygous genotype, both are expressed and the phenotype of the heterozygote is different from both the pure breeding parents. In the given example, cross-pollination of yellow corn and white corn results in the ears of corn that have an approximately even mix of yellow and white kernels. This means that the heterozygote expresses both the allele for the corn color. Therefore, it represents codominance.

3 0
3 years ago
Secondary succession occurs
MrRa [10]

Secondary succession occurs after the initial succession has been disrupted and some plants and animals still exist. The disruption occurs afer an event like a forrest fire or hurricane destroys the forest.

3 0
3 years ago
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