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Alex_Xolod [135]
3 years ago
15

1) After watching the video “How wolves change rivers”, in 2 - 4 sentences explain how human activity changed Yellowstone Nation

al Park.
2)examine the wolverines graphic at the very bottom of this document. Then in the space provided list specific changes to biodiversity in Yellowstone in the 1920’s and today

Yellowstone 1920's Yellowstone today


3)Describe how the elk population affects the size and growth of the trees during the data collection period shown in the graph

4) In 4 - 6 sentences explain the consequences of losses in biodiversity in an area.
Biology
1 answer:
Pavel [41]3 years ago
6 0

Answer:

Human interaction with the ecosystem has rapidly spread disease to Yellowstone's wildlife, which has proven to have adverse effects on populations. Also, humans tend to leave trash in poor areas. Littering is a problem in Yellowstone because it can be ingested by the wildlife and also pollute the park.

Explanation:

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Neurons in the hypothalamus regulate the activity of secretory cells in the anterior pituitary gland by:________
Jet001 [13]

Neurons in the hypothalamus regulate the activity of secretory cells in the anterior pituitary gland by releasing hormones. Pituitary gland basically store the hormones which is produce by the hypothalamus.

Hypothalamus connect the nervous and endocrine systems by way of the pituitary gland. Both are connected directly to the pituitary gland by a thin stalk which is called infundibulum.

Its main function is to secrete releasing hormones and inhibiting hormones that stimulate  the production of hormones in the anterior pituitary. FSH and LH both are produce and secret gonadotropins which regulated by the hypothalami releasing hormone, GnRH.  These are the releasing hormones which control the release of another hormone.

To learn more about the infundibulum here

brainly.com/question/17447860

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8 0
1 year ago
In a sample population of people, 36% have the recessive trait of "free" earlobes (q2). What is the frequency of the dominant al
ICE Princess25 [194]

Answer:

Explanation

Given that 36% are recessive in traits

100-36 = 64% for dominant traits considering a whole population to be 100%

P=dominant allele

q= recessive allele

P2= dominant genotype

q2= recessive genotype

according to hardyweinberg principle, p+q=1

64/100= 0.64 frequency for dominant traits or genotype, therefore

p2=0.64

then

P=√0.64

p= 0.8

Therefore, dominant allele frequency (p) for the population is 0.8

4 0
3 years ago
What does a cladogram tell us?
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A cladogram (from Greek clados "branch" and gramma "character") is a diagram used in cladistics to show relations among organisms. ... These branching off points represent a hypothetical ancestor (not an actual entity) which can be inferred to exhibit the traits shared among the terminal taxa above it.
4 0
3 years ago
The orbital cavities , nasal cavity, paranasal sinuses, and the oral cavity are all located in what region of the body
trasher [3.6K]

These are all part of the head or skull. The cavities of the skull surround and protect the brain and sensory organs. There are five kinds of cavities of the skull which are:


nasal cavity (paranasal sinuses is included here) - The nasal septum split the respiratory system into two lateral halves, the nasal cavity is also part of the respiratory system.


<span>cranial cavity - The large cranial cavity is split into a posterior cranial fossa and an anterior cranial fossa, a middle cranial fossa. Its function is to support the brain.</span>

<span>
</span>

oral cavity - The oral, or buccal, cavity (commonly called the mouth) is a cavity of the head rather than a cavity of the skull because of its fleshy and muscular floor.


orbital cavity - supports and defends an eyeball and its linked muscle, vessels, and nerves.


<span>middle ear cavity - From outer to inner, three small bones-malleus, incus, and stapes are situated within the middle-ear cavities in the petrous part of the temporal bones.</span>

6 0
3 years ago
On a speed time graph a positive slope means the object is
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It means that it is increasing speed on the chart 
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