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loris [4]
3 years ago
8

Explain the change of color that often occurs in leaves in the autumn in simple terms.

Biology
1 answer:
Phantasy [73]3 years ago
8 0

Answer:

In autumn when it starts to get cold, some plants stop making chlorophyll. Instead, those plants break down chlorophyll into smaller molecules. As chlorophyll goes away, other pigments start to show their colors. This is why leaves turn yellow or red in fall.

Explanation:

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Species richness increases Select one: a. as we increase in altitude in equatorial mountains. b. as community size decreases. c.
olga55 [171]

Answer:

D) as we travel southward from the North Pole.

Explanation:

Species richness is the number of different species in a particular community. If we found 30 species in one community, and 300 species in another, the second community would have much higher species richness than the first.

Communities with the highest species richness tend to be found in areas near the equator, which have lots of solar energy (supporting high primary productivity), warm temperatures, large amounts of rainfall, and little seasonal change. Communities with the lowest species richness lie near the poles, which get less solar energy and are colder, drier, and less amenable to life. This pattern is illustrated below for mammalian species richness (species richness calculated only for mammal species, not for all species). Many other factors in addition to latitude can also affect a community's species-richness.

7 0
3 years ago
Read 2 more answers
My is the bass
wlad13 [49]

Answer: Relevance

The scope of abiotic and biotic factors spans across the entire biosphere, or global sum

of all ecosystems. Such factors can have relevance for an individual within a species,

its community or an entire population. For instance, disease is a biotic factor affecting

the survival of an individual and its community. Temperature is an abiotic factor with the

same relevance.

Some factors have greater relevance for an entire ecosystem. Abiotic and biotic factors

combine to create a system or, more precisely, an ecosystem, meaning a community of

living and nonliving things considered as a unit. In this case, abiotic factors span as far

as the pH of the soil and water, types of nutrients available and even the length of the

day. Biotic factors such as the presence of autotrophs or self-nourishing organisms

such as plants, and the diversity of consumers also affect an entire ecosystem.

Influencing Factors

Abiotic factors affect the ability of organisms to survive and reproduce. Abiotic limiting

factors restrict the growth of populations. They help determine the types and numbers

of organisms able to exist within an environment.

Biotic factors are living things that directly or indirectly affect organisms within an

environment. This includes the organisms themselves, other organisms, interactions

between living organisms and even their waste. Other biotic factors include parasitism,

disease, and predation (the act of one anim

Explanation:

5 0
3 years ago
Read 2 more answers
Anti-rna antibodies are often present in individuals having an antinuclear antibody immunofluorescent pattern that is
meriva
Answer is: Nucleolar
5 0
3 years ago
Antacids would be effective in which part of the digestive system?
dsp73
The stomach can sometimes expires problem when digesting hard foods such as cheese and may result in things such as heart burn. an antacid can counter the ragging stomach acids.
4 0
4 years ago
(Fill in the Blank)
damaskus [11]

In the endosymbiont theory, an engulfed prokaryote that could perform  respiration evolved over the generations into mitochondria providing the cell with an efficient means of producing ATP from organic compounds.

Similarly, an engulfed prokaryote that could perform photosynthesis evolved over the generations into chloroplast providing the cell with sunlight-generated sugar.

Explanation:

Endosymbiosis is the mutual relationship between two organisms. The theory explains that eukaryotes have evolved from prokaryotic cell or organism.

The host eukaryotic cell engulfed bacteria or prokaryote as bacteria was once an independent entity which could perform cellular respiration and photosynthesis. Possibility of one more cell which engulfed other cells is there.

Mitochondria have its own DNA and is the centre of ATP production which suggests that mitochondria has evolved over the time by photosynthetic bacteria. Sequence analysis also suggest that mitochondria had evolved from eubacteria.

The bacteria integrated into plant cell able to perform photosynthesis has evolved in to chloroplast int the plant cells.

4 0
3 years ago
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