1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Elis [28]
3 years ago
7

PLEASE HELP!!!!! 19pts!

Biology
1 answer:
harina [27]3 years ago
5 0

Answer:

Ocean and river pollution: it has been solved but the problem is that the machine that filters plastic from the water is making it difficult for Fishermen to catch fishes.

that's the only I can think of that could cause problem

You might be interested in
Diffrent way observations are used in science inquiry
lakkis [162]

In scientific inquiry, observations can be made in many ways. This includes by using the senses, or performing an experiment.

4 0
3 years ago
Describe one example to two subsystems working together
lbvjy [14]

Answer:

helping out sharing

Explanation:

jjklkpo

5 0
3 years ago
Read 2 more answers
Having freckles (F) is dominant over not having freckles (f). A parent with freckles is crossed with a parent without freckles.
Step2247 [10]

Answer:

This is a trick question, and only because the question is vague

Explanation:

Use a Punnet Square to figure out the percentages.

If the parent with freckles (let's just call them Parent A) is homozygous dominant, their genotype would be FF.  The parent without freckles (Parent B) has a genotype of ff.

In any situation, the probability of these two having a child that is homozygous dominant for freckles is 0%.  (see punnet squares for more info).  

Now here's where it gets a little more confusing because the question is kind of vague on this.

Assuming that Parent A is homozygous dominant (both genes for this are dominant (FF)), then the probability of having a heterozygous (non-identical genotype letters, meaning they carry the recessive trait) genotype is 100%.  However, if Parent A is also heterozygous, then that percentage decreases to 50%

For Situation A (Parent A is homozygous dominant), the probability of a homozygous recessive genotype is 0%

For Situation B (Parent A is heterozygous dominant), the probability of a homozygous recessive child is 50%.

Please see the Punnet square I made for more information.

Key:

- Homozygous Dominant: FF

- Heterozygous Dominant: Ff

- Homozygous Recessive: ff

(heterozygous recessive does not exist, because that would mean one of the genes is dominant, which would overpower the recessive gene)

I really hope this helps, and if you're confused by this, please do not hesitate to let me know!

8 0
3 years ago
Read 2 more answers
Explain how fitness can change the allele frequency of a population. PLZ no link
Vladimir [108]

Answer:

Natural selection can cause microevolution (change in allele frequencies).

Explanation:

With fitness-increasing alleles becoming more common in the population.

7 0
3 years ago
The energy consumed by organisms remains constant at all trophies levels? True or false
Serjik [45]
The answer is false
8 0
3 years ago
Other questions:
  • How do mutagens affect chromosomes? AThey change the chemical composition of DNA, which can affect the structure or number of ch
    12·2 answers
  • What distribution pattern has no order as to how it is distributed through an ecosystem
    15·1 answer
  • What organ in a chicken is responsible for the protein deposition in the albumin?
    5·1 answer
  • Ap Bio please help!
    12·2 answers
  • Jessica is doing an investigation to see how many birds come to the tree in her backyard each morning. She repeats her
    10·1 answer
  • The statement “ The worm is 2 centimeters long” is a a.observation b.theory c.inference d.hypothesis
    6·1 answer
  • Explain how hurricanes can affect human life in Florida. Use complete sentences. (3 points)
    13·1 answer
  • Explain the difference between the calorie (lowercase C) and the Calorie (Capital C)?
    10·1 answer
  • 5. What is something that is common between a bat, human, and dolphin?
    14·1 answer
  • Please please help me i will give brainliest
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!