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3 years ago

Because of the scarcity of food in the deep-sea environment, many organisms rely on _________ as their principal source of food.

Biology

2 answers:

Vera_Pavlovna [14]3 years ago

8 0

Answer:

Detritus

Explanation:

Common sense suggests that animals ingest plastic because it is present in the oceans and animals cannot distinguish it from real food (for some animals, such as anchovies, plastic can smell like food). But that does not explain why only certain types of whales - deep-toothed whales such as sperm whales, pilot whales and beaked whales - appear dead on the beaches with plastic in its stomach.

These species hunt in the depths of the ocean, sometimes more than 500 meters below the surface, in total darkness. They use echolocation to look for food - usually squid. Toothed whales may think plastic waste is food because of its appearance.

yuradex [85]3 years ago

7 0

The correct answer is detritus

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For this week's CRQ, you are to design your own genetic cross between a female and a male. Be sure to include each of the follow

svp [43]

Answer and Explanation:

Punnett squares are illustrations that display the product of hybrid trait crosses by genetic breeding. Established parent genotypes and phenotypes are used and are usually compatible with Mendelian ratios and inheritance. The phnomenon influencing this behaviour is the

Law of Segregation,
Law of Independent assortment
and Dominance

For this cross...

Assuming Widow's peak= dominant

1. What are the dominant and recessive traits in cross?

Parent generation or P generation:

gametes: Ww → Widow's peak dominant (W), No Widow's peak recessive (w)

2. Is the male homozygous dominant, homozygous recessive, or heterozygous?

Heterozygousity describes the allelic makeup; these traits are made of two different forms of the same gene.

Male: Ww → with the W.peak;

(Thus, with both W and w this is a heterozygous trait)

3. Is the female homozygous dominant, homozygous recessive, or heterozygous?

However, homozygous traits are made up of the same forms of the gene called alleles.

Female: ww → without the W.peak

(Thus, with both w ad w this is a homozygous trait)

1. genotypes and phenotypes for parent and offspring...

Assuming heterozygousity of the male , for the cross

P generation: Ww× ww

Widow's peak ×No Widow's peak

F1 generation:

genotype: Ww × ww ...(from punnet square)
phenotype: 2 with the W.peak; 2 without

∴ 50% are genotypically heterozygous while 50% is homozygous , 2 with the W.peak; 2 without

6 0

2 years ago

Explain if an unknown substance found on a meteorite is determined to contain no trace of carbon, can scientists conclude that t

Svetach [21]

All life as we know it is carbon-based, so what scientists could determine is that there is no carbon-based life at the origin of the meteorite. However, this does not necessarily mean that there is no life there; our knowledge is only based on our experiences of life on Earth, so it is possible that life has developed in other regions of space upon other elements and formations. For example, there could be life based on silicon or other chemical compositions.

5 0

3 years ago

When two atoms transfer electrons, the bond formed is called a/an _______ bond.

MissTica

Answer:

ionic bond

Explanation:

When two ions transfer electrons or bond together they make an ionic bond.

3 0

2 years ago

Natural selection acts on a variation of populations of living things usually through a specific trait which statement must be t

Andreas93 [3]

Considering the following statements;
A. The trait is the same for all organisms
B. The trait is resistant to mutations
C. Most forms of the trait have the same impact on survival
D. The trait is passed on genetically to the next generation
The correct answer is D.
Genetic variation is essential for natural selection since natural selection can only increase or decrease frequency of alleles that already exist in the population. Genetic variation is caused by mutation and random mating organisms.

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2 years ago

Read 2 more answers

Genetic variation can arise in a number of different ways the picture below shows an example that occurs during meiosis

m_a_m_a [10]

C. crossing over This is because each gene have a piece of each other Hope this helped=)

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2 years ago