1. Cells are limited in size by the
a. rate at which substances needed by
the cell can enter the cell through
its surface.
b. rate at which the cell can manufacture
genetic information.

Which situation will most likely cause the sustainability of an ecosystem to weaken?
A) A zebra is killed and eaten by a lion.
B) A disease wipes out several plant species.
C) A frog lays hundreds of eggs that hatch into tadpoles.
D) A dry season causes a few small trees to die.



The answer is B THE SECOND ONE !!!

Write short note on consumer.

In the space below, summarize the process of sexual reproduction in unicorns to explain how offspring are produced. Include and highlight the following terms in your summary: Diploid, Fertilization, Gametes, Haploid, Interphase, Meiosis

Which does NOT define a situation as a crisis?

a.The situation creates a hardship.
b.You don't have the resources needed to deal with the situation.
c.You feel overwhelmed or helpless to handle the situation.
d.The situation is annoying because it causes you to not have something that you want.

Currently, biologists in the area of ​​systematics and evolution of living beings include algae.
as belonging to the protist kingdom, not to the vegetable, as it is traditionally known due to its appearance with plants. The explanation for classifying algae as protist and not as vegetable is in the fact of;
A. presence of cells with cellulosic wall.
B. absence of nuclear envelope in your cells.
C. absence of well-differentiated tissue and organ.
D. none of the alternatives

How does nuclear energy use differ from geothermal and solar energy use?
a.
Geothermal and solar energy both have a mining step, while nuclear energy does not.
b.
Geothermal and solar energy both require water, while nuclear energy does not.
c.
Geothermal and solar energy are both renewable, while nuclear energy is not.
d.
Geothermal and solar energy both generate a significant amount of waste, while nuclear energy does not.


Please select the best answer from the choices provided

A
B
C
D

Number the steps from when a stimulus is received to when the body reacts.
_____ The stimulus is received by sensory receptors.

_____ Motor neurons cause muscles to contract so the body can react to the stimulus.

_____ The brain processes the information through interneurons.

_____ Interneurons transfer response information to motor neurons.

_____ Sensory neurons carry stimulus information to the brain or spinal cord.

how can older rocks be found on top of younger rocks in a cross-section?​

Which of these is an example of water pollution?

A. An eroded hillside
B. A clear-cut forest
C. Arid land
D. Agricultural runoff

At what stage of a crisis does a person accept the reality of the situation and begin to take action?

a.first
b.second
c.third
d.fourth

what cells do not respond to hormones​

is it true that The age of a rock given as the number of years since the rock
formed is called its relative age.

Why do the chromosomes line up in the middle of the cell

PLEASE HELPPP ASAP!!!

1. List all of the omnivores in this food web
2. List all the herbivores and this food web
3. List all the producers in this food web

what are cotyledons? & what is its use

As a way to reduce the number of cases of malaria, a human tropical disease, a specific DNA sequence is inserted into the reproductive cells of Anopheles mosquitoes. Which process was most likely used to alter these mosquitoes? Explain your answer
A. cloning studies
B. genetic engineering
C. natural selection
D. random mutations

Which mammal does not give live birth whale sea cow duck-billed platypus kangaroo dog

A study is done to compare the fuel efficiency of cars the first group of cars generally gets 35 miles per gallon the second if a car is generally gets about 50 miles per gallon based on the mean values of each group what inference can be made what else might a person to conclude from mean values

Can someone tell me if this is correct

What might happen if tigers, another large cat that relies on the same food source as the lions, are introduced to the ecosystem?​

Plz I will give brainliest

does having a lower than normal thyroid hormone level affect oxygen consumption ​

explain how the genus and species name of an organism is properly written

Which region is directly near the edges of a continent?

a submarine canyon

a continental margin

a mid-ocean ridge

an atoll

Infants are born with a number of instinctive reflexes.
True
False

What one is not a problem related to the timber industry?
B
chemicals are dumped in the lakes and rivers
A
destruction of animal habitats
D
Clear cutting
с
reduces water quality and erodes the soil

Name one part of the cell that is referred to as the smallest yet very vital part of the cell. This part is where the energy is stored and is also referred to as the



powerhouse.

Which of these is a characteristic of body cells that require large amounts of energy?

answers:

They have a large number of mitochondria.


They have a large number of vacuoles.


They have a small number of chloroplasts.


They have a small number of mitochondria.

Which statement is true about the cell theory?

It is based on a random guess.
It is well-supported by evidence.
It is unchangeable and permanent.
It is a claim posed by some scientists.

Complete the following analogy.

Family is to population, as house is to _____.

niche
habitat
community
biome