BIOLOGY HIGH SCHOOL

The average age at which an infant can sit unattended is approximately __________ months.

Answers

Answer 1
Answer:

The average age at which an infant can sit unattended is approximately 5-7 months.

What motor skills does the infant acquire by 5-7 months?

The baby will reach gross motor milestones in the following order:

(1) sitting up without assistance

(2) crawling on hands and knees

(3) standing with aid

(4) walking with assistance

(5) standing without support and

(6) walking without support.

learn more about motor skills in infants here:

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Answer 2
Answer:

Answer:

5-7

Explanation:

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Exit One advantage of a reflex response in the survival of an organism is A. the signal has to travel all the way to the brain before an action is taken by the body. B. that sensory neurons carry impulses to the spinal cord which then sends a response to the muscle via the motor neurons causing a reaction. C. the signal does not have to travel all the way to the brain before an action is taken by the body. D. that motor neurons carry impulses to the spinal cord which then sends a response to the muscle via the sensory neurons causing a reaction.

Answers

C. the signal does not have to travel all the way to the brain before an action is taken by the body. 

Lyme disease is a bacterial infection transmitted to humans from ticks. which of the following approaches would be the most effective to treat lyme disease

Answers

 Lyme disease is caused by the bacterium Borrelia burgdorferi and is ... to humansthrough the bite of infected blacklegged ticks I hoped i helped

Scientists want to determine how closely related chimpanzees are to humans. Which data would give the MOST accurate comparison?

Answers

Thier DNA sequences

Bone structures. Our hands and feet are similar along with our teeth

Some types of aquatic frogsbury themselves in the mud and spend the winter hibernating at the bottom of the lakes and ponds which characteristic of life does this represents

Answers

Answer:

this represents response to the environment

Which statement about DDT best shows how science has been impacted by society? A.DDT led to insect resistance.
B.DDT was considered harmful and was replaced by other pesticides.
C.DDT was the first modern insecticide.
D.DDT was used in WWII to control malaria and typhus.

Answers

The correct answer is B. DDT was considered harmful and was replaced by other pesticides
D is wrong!! and i need the answer 

Which choice best describes the relationship between biodiversity and invasive species?a. As invasive species increase, it causes biodiversity to increase
b. As invasive species increase, it causes biodiversity to decrease
C. As biodiversity increases, it causes invasive species to increase
d. As biodiversity increases, it causes invasive species to decrease

Answers

Answer:

b. As invasive species increase, it causes biodiversity to decrease

Explanation:

Invasive species refers to those species of organisms that are foreign (non-native) to a particular environment or habitat with the tendency to outgrow and outcompete the native species in that habitat. Due to their fast reproductive and growth rate, they tend to diminish the population of native species by using up the available nutrients.

Biodiversity is the richness of organism species on Earth. When invasive species increase in a particular habitat or ecosystem, they cause the biodiversity in that habitat to decrease because they tend to take charge and dominate, causing harm to every other species. Hence, As INVASIVE SPECIES INCREASE, it causes BIODIVERSITY TO DECREASE
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