BIOLOGY MIDDLE SCHOOL

4 PointsWhich is a cause of natural selection?
O
A. Limited food
O
B. Stable weather
O
C. Unlimited shelter
O
D. Lack of predators

Answers

Answer 1
Answer: The cause of natural selection would most likely be limited food which causes competition
Answer 2
Answer: It’s limited food hope it helps

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The hydra has an incomplete digestive system. How does the hydra remove undigested food? A. It pushes out food through an opening, which is also used to bring in food. B. It pulls food out with its tentacles. C. It diffuses food through its outer layer. D. It expels food by using a special opening for that purpose.

Answers

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Which evidence for the age of the earth is indicated by the fact that sedimentary rocks is found on mountain tops

Answers

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Food webs diagram the complex relationships of energy flow in an ecosystem containing a variety of producers and consumers. A diagram is provided. Which of the following correctly shows one path that energy would flow through this ecosystem?A. A Star grass → termite→ wildebeest→ aardvark
B. B Hyena → aardvark → impala → harvester ant
C. C Grasshopper → termite→ warthog → hare
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Answers

In food web, Grasshopper → termite→ warthog → hare correctly shows one path that energy would flow through this ecosystem.

What do you mean by food web?

A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community. Another name for food web is consumer-resource system.

Primary consumers, mostly herbivores, exist at the next level, and secondary and tertiary consumers, omnivores and carnivores, follow. At the top of the system are the apex predators: animals who have no predators other than humans.

Food web is an important conceptual tool for illustrating the feeding relationships among species within a community, revealing species interactions and community structure, and understanding the dynamics of energy transfer in an ecosystem.

Learn more about food web:

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Hi! Hola! Aloha!

The answer would be D. Red oat grass > termite > wildebeest > lion

Hope this helps !

What is the function of atp? To provide a source of food for the cell

To provide energy for many cellular reactions

To absorb heat produced by the reactions in the cell

To help absorb energy from the sun

Answers

Its function is to provide energy for many cellular reactions.
the answer is To provide enegry for many cellular reactions hope this help

The original population of salamanders migrated southward from the north of California. They avoided the Central Valley because it was too dry and hot for them to live there. As they moved south, the eastern and western salamander populations evolved and by the time they got together again in Southern California, they could no longer interbreed and had become two new species of salamanders.Identify the main mode of isolation of eastern and western salamanders in Southern California.

A. The populations evolved separately because they were temporally isolated.
B. The populations evolved separately because they were behaviorally isolated.
C. The populations evolved separately because they were geographically isolated.
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Answers

Answer: Option C

Explanation:

Geographical isolation is a term that refers to a population of plants or animals that are separated from mating with the other organisms of the same species.

This is due to the separation of the organism because they are geographically isolated from one another. Here some members of the same species are isolated from the other members of the same species.

The eastern and western salamanders are isolated by each other because of geographical isolation.

Although wealthy Egyptians enjoyed "the good life," music was not a part of their lives. A. Yes B. No

Answers

A. Yes hope this helps
A. yes
I think.
also is that a reference to Three Days Grace- The good life?
it's an awesome band.
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