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Talja [164]
3 years ago
13

Why would cannibalism be favored by natural selection?

Biology
1 answer:
crimeas [40]3 years ago
5 0

Answer: Because if we assume the cannibal has to fight to the death then the stronger will win and the weaker will die off.

Explanation:

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When a person goes into cardiac arrest, the doctors
mash [69]

Answer:

nerve system

Explanation:

because it is trying to give a electric pulse to start it

7 0
2 years ago
A neuromuscular junction is a junction between a_________ and a ___________. A neuromuscular junction is a junction between a___
garri49 [273]

Answer:

myofibril bulbous end of axon and skeletal muscles fibres.

Explanation:o

It represents the  chemical synapse  of the axon bulbous ends  of the motor neuron ( motor end plate) and the skeletal Muscle fibres.

The influx of calcium ions into the bulbous ends leads to the fusion  and empty of the vesicles containing neurotransmitters into the synaptic cleft.

The Neurotransmitters binds to the receptors on the muscles membrane to allow the transmission of action potential ( PSIP or  PSEP)across the synaptic gap  to the muscles fibers  to initiate  their  contraction or relaxation.

5 0
3 years ago
This nice sample from the tonto national monument, arizona, is hard stone now, but it once was soft sediment, and it records for
Naily [24]
The answer is upside-down. Mud cracks spread downward keen on soft sediment. When more sediment is eroded in, this second layer will seal the cracks underneath. Later, after the layers have toughened, the rock may be rotated upside-down and then the layers cracked. If you see edges in a mud-crack pattern, you are seeing at the side of the second layer that initially was down. You can tell that this shows edges, and not holes, through the shadow, the edges have a well-lit on one side and a shadow on the other, while holes have light and shadow on the similar side.
5 0
3 years ago
What are the four groups of macromolecules and what are their jobs in the cell?
Pepsi [2]
Each macromolecule type has its own structure and function:

Nucleic acids are DNA and RNA. ...

Proteins, which contain polymers of amino acids, provide both functional and structural functions to cells. ...

Carbohydrates provide short-term energy storage to cells. ...

Lipids, or fatty acids, provide the long-term storage.

3 0
3 years ago
I would greatly appreaticate it if some can Please help me asap!!!
lozanna [386]

Answer: The taproot

Explanation: A deep taproot helps plants use moisture held in deeper soil layers, and they can have great drought resistance compared to fibrous-rooted plants. An example is honey mesquite (Prosopis juliflora), which is known to send its roots down 150 feet to get water.

8 0
3 years ago
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