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mel-nik [20]
2 years ago
6

Why can a single redwood tree be thought of as an entire ecosystem? because a single redwood is bigger than some ecosystems beca

use a single redwood can support many other species of organisms because redwoods are autotrophic producers in ecosystems because many redwoods have been lost to lumbering because redwoods are found in some of the world's densest forests?
Biology
1 answer:
Marrrta [24]2 years ago
5 0
Because a single redwood can support many other species of organisms.
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In a symbiotic relationship, A a parasite eats its host. B there are too many carbon emissions in the atmosphere. C the environm
cupoosta [38]

Answer:

D two organisms depend on each other for survival.

Explanation:

Symbiotic relationship is a type of relationship between two organisms in which the both of them gain something positive from each other. A good example is the relationship between the cattle and egret. The egret helps in grooming the cattle and the cattle in return provides food for the egret.

In a symbiotic relationship, two organisms depend on each other for survival and is the right choice in the above question.

8 0
2 years ago
The small motile gametes fertilize ovum
tankabanditka [31]

Answer

Gametes that fertilize an ovum are called the sperms

Explanation

The reproductive cells of an organism are called the gametes or sex cells. Female sex cells are the ova/egg where as male sex cells are the sperms. The sperms are stored in the scrotum after their production in the male testes where as the eggs for females mature in female ovaries. During fertilization, sex cells meet in the Fallopian tube.



5 0
3 years ago
A farmer practices ____ when he prepares new farmland to replace fields in which soil has been exhausted.
zlopas [31]
The answer to your question would be (<span>barter)</span>
4 0
3 years ago
In beetles, the gene for color and the gene for pattern are located on the same chromosome and exhibit recombination. The lined
Pie

Explanation:

The genes that determine color and pattern are linked.

  • Solid pattern allele (L) is dominant over lined pattern (l)
  • Blue color allele (B) is dominant over aqua color (b)

<h3><u>Initial cross</u></h3>

Homozygous lined aqua beetle has the genotype <em>lb/lb</em>

It can produce only 1 type of gamete: <em>lb</em>

X

Homozygous solid blue beetle has the genotype<em> </em><em>LB/LB</em>

It can produce only 1 type of gamete:<em> </em><em>LB</em>

The F1 is formed by the union of the parents' gametes, so it will have the genotype  <em>lb/LB</em>

<h3><u>F1 test cross</u></h3>

Test crosses involve a homozygous recessive individual.

<u>The homozygous recessive individual</u><u><em> lb/lb</em></u><u> can only produce 1 type of gamete:</u>

  • <em>lb</em>

<u>The F1 individual </u><em><u>lb/LB</u></em><u>  can produce 4 types of gametes:</u>

  • lb - parental
  • LB - parental
  • lB - recombinant
  • Lb - recombinant

8 0
3 years ago
Chromosomal mutations can have a variety of effects on individuals. Down syndrome is a disorder that causes problems such as mil
xxTIMURxx [149]

Answer:

The correct answer would be non-disjunction.

Down syndrome refers to the genetic disease caused by the non-disjunction of chromosome number 21.

Non-disjunction refers to the event in which the homologous chromosomes or sister chromatids fail to separate properly during a cell division.

In Down syndrome, the sister chromatids of chromosome 21 fail to separate properly which results in the formation of a gamete with 2 copies of chromosome 21.

When this gamete fertilizes with another gamete, it results in the formation of a zygote with 47 chromosomes, that is, 46 chromosomes + extra copy of chromosome 21.

5 0
3 years ago
Read 2 more answers
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