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azamat
2 years ago
14

Research one way we can protect our water from pollutants

Biology
1 answer:
Assoli18 [71]2 years ago
4 0

JBBBBBJBJJAnswer:

Explanation:

BBBABKBJ

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DNA strands run antiparallel which means?
Talja [164]

Answer:

hope it helps...

Explanation:

In biochemistry, two biopolymers are antiparallel if they run parallel to each other but with opposite directionality (alignments). An example is the two complementary strands of a DNA double helix, which run in opposite directions alongside each other.

6 0
3 years ago
What type of appendages do
Slav-nsk [51]

Sponges  absent

Cnidarians not jointed  (Aquatic organisms, all have tentacles with nematocysts - stinging cells, used to capture food.)

Roundworms  absent (AKA nematodes are unsegmented, colorless and do not have appendages).

Annelids   not jointed (With the exception of leeches, all annelids have chitonous hair-like structures projecting from their cuticle. These appendages fulfill different functions in different species.)

Mollusks not jointed  (Invertebrates that lack hard appendages such as legs or antennae)

Arthropods  jointed (the arthropods are the only invertebrates to have jointed appendages)

Echinoderms  not jointed  (Due to their radial symmetry, all echinoderms have appendages which point outward from the center of the body like the spokes on a wheel.)

and vertebrate jointed

6 0
3 years ago
What evidence must be considered when determining whether or not a trait is an adaptation? (Site 1)
Alexeev081 [22]
According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation. The next generation will have the things they will need to survive and the longer the generation goes the more fetchers they will have.
4 0
2 years ago
Which of the following is a form of active transport?
scoundrel [369]
Active transport requires energy when moving molecules against a concentration agent. It requires for specific membrane transport proteins. Only a certain type of protein can move a certain type of substance. 

The three main types of Active Transport are:
1) Sodium-Potassium Pump
2) Endocytosis
<span>3) Exocytosis  </span>
6 0
3 years ago
What is the original source of energy for all living organisms on earth?
ki77a [65]

Answer:

sunlight

Explanation:

porque yo quiero

7 0
3 years ago
Read 2 more answers
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