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Vesnalui [34]
3 years ago
15

Explain how an algal bloom affects the oxygen levels in a lake ecosystem.

Biology
1 answer:
NeX [460]3 years ago
8 0

Answer:

Algal bloom causes by eutrophication (when excess nutrients run into a body of water). Eutrophication provides nutrients for algal bloom. As a result, there is an increasing in algal bloom population. Increasing in algal bloom population can block the light that is needed by other organisms. This could impact these organisms survival. Furthermore, when these algae die, their body sink into the bottom of the sea, which consider as nutrients for bacteria, increasing bacteria population. This means that the respiration rate by bacteria is increasing as well. When bacteria respire, they need to absorb oxygen. Over time, these oxygen level will eventually decrease and later form a dead zone.

Explanation:

Hope this helps!

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What magnification will you generally start out using when scanning for parasites? A. 4X. B. 10X. C. 40X. D. Both A and B.
aev [14]

Answer:

Explanation:

D. Both A and B

6 0
3 years ago
El guepardo puede alcanzar velocidades hasta de 110 km/h, para obtener esta información la biología se apoyó en la…
brilliants [131]

Answer:

la tecnología del Sistema de Posicionamiento Global (GPS)

Explanation:

Los guepardos son animales capaces de acelerar rápidamente, llegando a alcanzar una velocidad de 29 metros por segundo (aproximadamente 110 km/h). Los biólogos de vida silvestre determinaron la velocidad de los guepardos mediante la utilización de collares con GPS. Para la colocación de estos collares, los guepardos tuvieron que ser parcialmente sedados mediante la utilización de dardos tranquilizantes. La tecnología del GPS permitió la localización y de este modo la determinación de la extraordinaria aceleración que alcanzan los guepardos; sin embargo, esto es sólo un aspecto de su estrategia para cazar, ya que a partir de esta tecnología fue también observado que estos animales son capaces de girar y detenerse repentinamente al atrapar una presa.

3 0
3 years ago
During mitosis, chromosomes are moved and separated through the use of spindles composed of _ structures
inessss [21]
<span>During mitosis, chromosomes are moved and separated through the use of spindles composed of microtubule structures.</span>
Hope this helps!

-Payshence xoxo
3 0
3 years ago
Read 2 more answers
Question 6: Why might islands be good ecosystems to study the outcomes of the founder effect?
Svet_ta [14]

Answer: This can be useful site to study the diversity of organisms.

Explanation:

The founder effect is the known phenomena proposed by Ernst Meyer. It occurs when a small number of organisms leave the larger population. The genetic variation will be lost when a new population is established by the small population. Due to lack of genetic variation the new population becomes phenotypically and genotypically different from the parent population. This process lead to speciation.

The islands are the regions where few organisms can be found, those have migrated from the native land. Thus the study of diversity of these organisms will become simple.

6 0
3 years ago
O<br> 1. Which criteria are used to classify amphibians into orders?
Oksana_A [137]

Answer:

They are classified into three orders: frogs and toads, salamanders and newts, and caecilians.

7 0
3 years ago
Read 2 more answers
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