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Molodets [167]
4 years ago
12

The mass extinctions that occurred 250 million years ago and 65 million years ago may have been due to gradual process or

Biology
1 answer:
Verdich [7]4 years ago
7 0
The mass extinctions that occurred 250 million years ago and 65 million years ago may have been due to gradual process or <span>Catastrophic events.

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
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A population ecologist uses many terms while writing his case study. Match each term to its definition.
Zina [86]

Answer:

A population ecologist uses many terms while writing his case study. Match each term to its definition.

an indication of the number of individuals of a population and the area that they occupy

population density

an increase in the number of individuals of a species over a period of time, expressed as a percentage

growth rate

the number of live births per 1,000 organisms of a species in a year

Birth rate

the number of deaths per 1,000 organisms of a species in a year

death rate

Explanation:

4 0
3 years ago
A conservation easement would be best suited to offset which of the following threats to biodiversity?
Harrizon [31]
"Habitat loss" is the one threat to biodiversity among the choices given in the question that a <span>conservation easement would be best suited to offset. The correct option among all the options that are given in the question is the fourth option or option "d". I hope the answer has come to your actual help.</span>
6 0
4 years ago
Read 2 more answers
Plasmids are typically transferred among members of a bacterial community by ________ gene transfer.
disa [49]

Answer:

Horizontal

Explanation:

Horizontal gene transfer may be defined as the transfer of the genetic material from the parents to their offspring. Three main methods of horizontal gene transfer are conjugation, transformation and transduction.

The transfer of plasmid among the members of bacterial community mainly occur by the horizontal gene transfer. This transfer of genetic material allows the bacteria to withstand at extreme conditions, confer antiobiotic resistance and increase their chance of survival in the environment.

Thus, the answer is horizontal gene transfer.

3 0
3 years ago
It has been suggested that the fungal ancestor was a ___________.
malfutka [58]
The answer that fits the blank is NUCLEARIID. Nucleariids are particularly an amoeba group which is commonly seen in freshwater and soils and these are known to be the closest ancestor of fungi. This group falls in the eukaryota domain. One of the prominent features of nucleariid is their threadlike pseudopodia.
5 0
3 years ago
Which of the following statements is false? A. Tissues exist within organs which exist within organ systems. B. Communities exis
Studentka2010 [4]

Answer: The correct answer is option B

Explanation:

The correct hierarchy level is

Organelles-cells-tissue-organ-organ system-organism-population-community-ecosystem-biosphere.

Community refers to the group of populations of two or more species located in the specific area. Thus, populations exist within community which exist within ecosystem.

Thus, option B is incorrect.

8 0
3 years ago
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