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avanturin [10]
4 years ago
12

Pictured below is the first carpometacarpal joint. which terms describe the types of movement allowed at the thumb?

Biology
1 answer:
Ede4ka [16]4 years ago
6 0
Opposable thumbs I think
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The two structures inside the chest cavity which expand when filled with air
KATRIN_1 [288]
The answer to this question is in fact the Lungs.
5 0
3 years ago
For a particular species of snap beans, the mean germination period has been 17 days. A new species of snap beans has been devel
DaniilM [7]

Answer:

(a) H0: mu = 17 vs. Ha: mu < 17

(b) Sample statistic is 1.6

Explanation:

(a) A null hypothesis is a statement from a population parameter which is either rejected or accepted (fail to reject) the upon testing. It is expressed using the equality sign.

An alternate hypothesis is also a statement from a population parameter which negates the null hypothesis and is accepted if the null hypothesis is rejected. It is expressed using any of the inequality signs.

(b) Sample statistic = sample mean ÷ sample size = 16 ÷ 10 = 1.6

5 0
3 years ago
Will give brainliest plz help <br> Answer 12 plz
Ivan

Answer:

Abiotic factors, such as temperature, water, sunlight amounts, and regional terrain, directly effect biotic factors. Biotic factors are the living components of an ecosystem which include primary producers, consumers, and dexomposers.

Abiotic factors can effect organisms in many ways. Hey can effect primary producers negatively if there is too little sun, water, or nutrients in the soil. However, if there is too much of any one of these, they can still be negatively effected. With primary producers, it’s all about balance.

while consumers do not directly require the above conditions, they do rely on the plants and animals that feed on said plants to survive. If the plants do not have correct nutrients, they will not either. As far as terrain goes, they adapt to better cope with the environment. If they live in an aquatic enviromment for example, they acquire ways to more efficiently move through the water to look for food.

Decomposers rely on the remains of dead plants and animals in order to survive. They feed off of dead matter and the waste gets deposited into the soil. This in turn helps to give the soil its nutrients, and so the cycle continues.

Everything in nature is reliant on each other. This delicate balancing act is both beautiful and so very fragile. If one organism is removed, the entire ecosystem could suffer. This is why it is so critical to protect the environment we share with every other living creature on this earth.

6 0
3 years ago
Plasmodium is a parasitic apicomplexan that causes malaria in humans. the figure below illustrates the plasmodium life cycle.
vaieri [72.5K]
Plasmodium is a monocellular parasite causing malaria to humans. The parasite's life cycle always includes two hosts, an insect host and a vertebrate host. The parasite's cells are injected into the vertebrate's (human in our case) bloodstream by the insect host (mosquito). There are several stages in its life cycle but the sexual reproduction occurs only in the insect. In the insect, gametocytes (haploid gametes) merge and form a zygote which in turn becomes an oocyst. Oocysts divide multiple times and that way a great number of sporozoites is produced. These sporozoites travel to the salivary gland of the mosquito and are injected into the bloodstream of the second host, the human. In humans, sporozoites infect liver cells and red blood cells.

According to this information, the four statements about Plasmodium which are true are:
 -Plasmodium cells are transferred to human cells through mosquito saliva.
-The complete life cycle of Plasmodium requires two hosts.
-Plasmodium cells infect two specific types of cells in humans.
- Inside an infected mosquito haploid gametes fuse, forming a haploid zygote that develops into an oocyst.
3 0
4 years ago
Which of the following is NOT true about essential body fat?A.The human body would not function normally without essential body
alina1380 [7]

Answer:

C.The percentage of essential body fat is the same for both males and females.

Explanation:

Among the given statements, only C is incorrect. Typically, on average, women have 5-12% more body fat than men. This has been mainly linked with the female hormones (e.g. oestrogen). Firstly, women can store more fat in their bodies due to the presence of excessive adipose tissues. Secondly, they are suppose to carry a child at some stage of their life, so a better food supply and protection is necessary.

On the other hand, rest of the options are true. Essential body fat is always required by body. It accounts for 3% of total body wight. And, it can be found in organs, bones and muscles at different percentages.

6 0
3 years ago
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