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n200080 [17]
3 years ago
12

90! points please answer

Biology
2 answers:
Misha Larkins [42]3 years ago
6 0

Answer:

2. This gives the worms two separate populations of offspring that have different chances of surviving. An added benefit of being a hermaphrodite is that if a worm never finds a mate, it can fertilize its own eggs and reproduce that way. Many hermaphrodites experience this benefit.

3. Surprisingly, earthworms have quite a few digestive organs in common with humans. Digestion starts in the mouth, which takes in soil. The food is then transferred to the pharynx, which swallows the dirt into the esophagus. Instead of a stomach, earthworms have a crop which stores food and connects to the gizzard.

Explanation:

4. Worm castings contain the worms' gut bacteria and mucus. These microbes and substances are very helpful to plants. Vermicompost has more nitrogen-fixing bacteria than conventional compost. Vermicompost helps make minerals in the surrounding soil available to plants more quickly.

5. Comparative anatomy is an important tool that helps determine evolutionary relationships between organisms and whether or not they share common ancestors. Anatomical similarities between organisms support the idea that these organisms evolved from a common ancestor.

Dafna11 [192]3 years ago
6 0

Answer:

the answer is d heterozygous,

Explanation:

it is heterozygous because 382+293 is 2993

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Heyy heyyy jeyyyyy heyyyyy heyyyyy heyyyyy heyyyyy heyyyy
musickatia [10]

Answer:

Heeyyyy

Explanation:

HEYYYYY

6 0
2 years ago
Animals eat and digest food to obtain the energy available for life activities. Identify the organelle where energy from nutrien
Vsevolod [243]

Answer:

Metabolism is the chemical reactions that take place inside a living organism. The reaction occurs in the cells.  Digestion can be the best association to metabolism. The metabolic system recognizes which substances can be nutritious or poisonous. In order to complete this process, water is needed.  The chemicals are dissolved in water and transported. Without water, no reaction can take place.

Metabolism is considered as the set of life-sustaining chemical reactions within the living organism’s body cells.

6 0
3 years ago
Does the size of the particles change as a substance changes state
Kazeer [188]
Ok, particle is not a very nice word, no real sense of size associated with it
it can be a group of molecules like a speck of sand
referring to the molecules themselves
or refering to the atoms that make up the molecule

now in terms of phase change,
if we consider a speck- a group of molecules- then solids will expand when heated, however this definition falls flat in terms of phase change

ok, how about molecules, as molecules undergo phase change, the molecules in relation to each other will move apart from one another. Solid- molecules are bonded, Liquids- molecules are close and flow around each other, Gas- molecules are a significant distance from one another. But the increase in size when you heat up a molecule, i would have to say yes. adding heat increases energy which increases molecular vibration which would probably  increase the overall average size to some unnoticeable degree.

now standalone atoms are just atoms, if you want to consider the electron cloud as size, then heating it up would negligibly cause the outer move outward. but it really depends on the scale of the question
7 0
3 years ago
A commercial fishing company moves into the ecosystem shown in the food web below and begins to use nets to catch crustaceans. T
Rudiy27

Answer:

A

Explanation:

there will be a decrease in the number of crustaceans witch will cause a decrease in the fish population.

7 0
3 years ago
Whats the difference between asexual and sexual reproduction???
LekaFEV [45]

Answer:

Sexual reproduction is the reproduction of 2 parents father and mother this is like most mammals,this is sexual. Asexual is the reproduction of 1 parent this is like many mushrooms and plants that include budding sporulation and others.

7 0
3 years ago
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