If vector is less than 90° and greater than 0°, it’s positive. if it’s less than 180 and greater than 90, it’s negative. if there is no acceleration vector, it’s called zero acceleration.
I believe the correct answer is the second option, or b.
Answer: C) a tube of cartilage (surrounding the notochord) with dorsal projections on both sides of the spinal cord.
Explanation:
The hagfish has a skeleton which do not consists of bones instead it consists of cartilage. The cartilage forms the part of the tentacles, tongue, nasopharyngeal duct, and soft palate. The tube of cartilage forms the surrounding of the notochord. It also has an attach with the dorsal projections on both sides of the spinal cord.
We cannot see the image, tell me in the comments what you want me to answer maybe i can help you.
Answer: probability is used to predict the chance that an event is likely to occur at a particular chosen level of significance.
Null hypothesis is accepted in biology when the p value is less than 1%, statistically, when the value of p<0.01
Explanation:
Determing the significance level is decided by the researcher, often times, scientists commonly use the 0.05, 0.01, or 0.001 probability levels as cut-off values. For instance, in the example experiment, you used the 1% probability. Thus, P ≥ 0.01 can be interpreted to mean that chance likely caused the deviation between the observed and the expected values (i.e. there is a greater than 1% probability that chance explains the data).
If instead we had observed that P ≤ 0.01, this would mean that there is less than a 1% probability that our data can be explained by chance. There is a significant difference between our expected and observed results, so the deviation must be caused by something other than chance.
