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siniylev [52]
3 years ago
5

What is the biggest threat to aquatic communities?

Biology
2 answers:
9966 [12]3 years ago
7 0

Answer:

Major threats to freshwater fishes and other freshwater biodiversity, include: habitat modification, fragmentation, and destruction; invasive species; overfishing; environmental pollution; forestry practise; and climate change.

Luba_88 [7]3 years ago
7 0

Answer:

pollution and over hunting

Explanation:

it will kill animals

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timurjin [86]

Answer:

uh well i can guess for you because i think i know,

1. physical change

2. water if heated up can change into a gas.

3.yeah

4.because the two hydrogen or whatever mixed with the one oxygen or whatever created two whatever

im pretty big brain as you can tell.

Explanation:

6 0
3 years ago
The bacteria grown in Luria broth with only lactose were expected to: Select one: a. Grow much faster than those grown in Luria
solniwko [45]

Answer:

Option D is correct

Explanation:

Luria broth contains yeast concentrate so it would show a marked B- galactosidase activity which is an enzyme that catalyzes the hydrolysis of B- galactosides including lactose and it is the first step of lactose fermentation.

5 0
3 years ago
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Arrange these elements of the intrinsic conduction system in the order that a depolarizing impulse travels during a normal heart
zlopas [31]

Answer:

SA Node

Inter-nodal Pathways

AV Node

AV Bundle

Bundle Branches

Purkinje Fibers

The SA nodes functions first for setting pace for the heart, then the inter-nodal pathway make link b/w SA and AV node. AV node is site of delay when contraction of atria occurs. AV bundle is the mean of electrical link b/w atria and ventricle. The conveying of impulse to the inter-ventricular septum occurs through bundle branches, while conveying of impulse throughout and along the walls of ventricle occurs through Purkinje fibers.

7 0
3 years ago
Menciona las cuatro fases de la mitosis​
Zolol [24]

Answer:

profase, metafase, anafase y telofase :)

Explanation:

( translation: prophase, metaphase, anaphase,and telophase)

3 0
2 years ago
Where are all lemurs find
DIA [1.3K]

Answer:Madagascar

Explanation:Lemurs are primates found only on the African island of Madagascar and some tiny neighboring islands. Because of its geographic isolation, Madagascar is home to many amazing animals found nowhere else on Earth.

8 0
3 years ago
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