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inysia [295]
3 years ago
11

Describe some ways that human activities are affecting aquatic ecosystems. Propose strategies that individuals can use and gover

nments can implement that would prevent or reduce these human impacts.
Biology
1 answer:
Art [367]3 years ago
5 0

Answer:

Humans are heavily polluting the waters in many areas with chemicals, medicine (for people), and garbage. A way that the government can help stop this issue is to have groups do routine cleanings of natural bodies of water along with prohibite the use of disposable items in the area like cups and/or bags.

Explanation:

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You only need to know one physical property to identify an ítem<br>true or false?​
sattari [20]

Answer:

False.

Explanation:

We'll need three.

8 0
2 years ago
Chapter 4 Review
vampirchik [111]

Answer:

C

Explanation:

A rainforest is humid, therefore, water uptake would likely not be an issue. However, rainforests have a huge number of trees, often these are very tall. These large trees might block out the sun from the smaller plants nearer the ground. This means they would struggle to properly photosynthesise, as they wouldn't have the necessary light energy.

Therefore, as a survival adaptation, it is likely that an allele that produced broader leaves for photosynthesis would be selected for in this population. Broader leaves would give a larger surface area for the plant to absorb light energy to perform photosynthesis.

7 0
3 years ago
Which stimulus causes the roots of seedling to grow downard ?
Sergeu [11.5K]
Gravity
Plant roots always grow downward because specialized cells in root caps detect and respond to gravity. This is an example of a tropism. A tropism is a turning toward or away from a stimulus in the environment. Growing toward gravity is called geotropism.
7 0
3 years ago
What is the source of most salt in the ocean?
Sati [7]

Answer:

D. rocks on land

Explanation:

Salt in the ocean comes from two sources: runoff from the land and openings in the seafloor. Rocks on land are the major source of salts dissolved in seawater. Rainwater that falls on land is slightly acidic, so it erodes rocks. This releases ions that are carried away to streams and rivers that eventually feed into the ocean.

7 0
2 years ago
Read 2 more answers
Analyze the results of a cross between two organisms that are both heterozygous for two different genes (AaBb). Use a Punnett sq
strojnjashka [21]
(1) All the genotypes are as follows: AABB, AaBB, AABb, AaBb, aaBB, aaBb, AAbb, Aabb, aabb.

(2) Assuming that Aa is dominant and Bb is recessive, there will be 9 phenotypes with both A and B allele dominant (i.e. AaBb, AABb); there will be 3 phenotypes with just the A allele dominant (i.e. Aabb, AAbb); there will be 3 phenotypes with just the B allele dominant (i.e. aaBb, aaBB); and there will be 1 phenotype with both alleles recessive (i.e. aabb). The phenotypic ratio in this case is 9:3:3:1.

(3) The probability of producing an offspring with the aabb genotype is 1/16 or 6%. 

6 0
3 years ago
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