BIOLOGY HIGH SCHOOL

Which is a biotic factor

Answers

Answer 1
Answer: Biotic factors are the living components of an ecosystem. They are sorted into three groups: producers or autotrophs, consumers or heterotrophs, and decomposers or detritivores.
Answer 2
Answer:

Explanation:

Hello! Let's solve this!

An ecosystem is made up of parts with life and parts without life. Within the lifeless parts, there are rocks for example. These lifeless factors are called abiotic factors.

The factors that are alive are called biotic factors.

For example, we find plants and animals.

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Three separate longitudinal ribbons of smooth muscle on the outer surfaces of the colon are known as __________.

Answers

Answer:

he Taeniae coil

Explanation:

The mesocolic,free and omental taeniae are collectively known as TAENIAE.

They are the 3 ribbon of smooth muscle of the ascending,transverse, descending and the sigmoid  colon. Anatomically their longitudinal   contractions give the natural bulges(HAUSTRAL) in the colon.

The Haustral helps in translocation of chyme to the next haustral, and  aiding the mixing of chyme for water absorption in the colon,  

The coil of these  smooth muscles is under the parasympathetic nervous system through Sacral nerve (of the spinal cord)  innervation.

Compounds _____.A. have different properties from the elements they are made from
B. have the same properties as the elements they are made from
C. can only exist as solids or liquids
D. are the same as molecules

Answers

A. Compounds have entirely different chemical properties from the elements that make them up.

Describe how competition and limited resources aided speciation in the Galapagos Island finches.

Answers

Answer:

It can be best explained with the help of Gause's law of competitive exclusion.

It states that no two species can coexist stably which compete for exact same resources.  

In such conditions, the species which is inferior to other in terms of adaptations either extinct or evolve towards a different ecological niche.

For example, Galapagos island finches evolved with different shapes and sizes of beaks as an adaptation towards limited resources available such as different types of seeds or food.
Competition killed off all the organisms without traits that were benefitial to them. The organisms in the Galapogos Islands, such as the finches, made adaptions to settle in their new environment.

Why do birds fly? And also how to get rid of scariness of birds?

Answers

Well... Birds fly because that is their species I suppose.. I'm only 10 don't judge me
Birds fly because they need to get their food source. You cannot get rid of the "scariness" because that's what the birds are used to and they have adapted to flying. 

Symptoms will always be experienced after receiving an STD from an infected partner. (1 point)
true
false

Answers

false
I hope this helps you with your question

Which process can be described as two cell divisions, genetic variation, and haploid cells?meiosis
mitosis
binary fission
fertilization

Answers

this process is known as meiosis 
The answer is meiosis
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