BIOLOGY HIGH SCHOOL

Segmentation is the subdivision of the body into segments. True segmentation is found in which of the following phyla? A. Arthropoda, Annelida, Chordata. B. Echinodermata, Platyhelminthes, Cnidaria. C. Mollusca, Chordata, Annelida. D. Annelida, Mollusca, Arthropoda. E. Arthropoda, Chordata, Porifera.

Answers

Answer 1
Answer:

Answer:

Option A.

Explanation:

True segmentation, where the body is divided into distinct, repeated segments or somites, is found in the following phyla:

A. Arthropoda, Annelida, Chordata.

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Answers

theres nothing to refer to??

Which organ system is responsible for transporting oxygen throughout the human body?A. digestive system
B. respiratory system
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Answers

B. respiratory system

Debaters seek to ____________________.

Answers

Debaters seek to stand for what they have to.
Debator seeks the decision of the audience and the judges. The different parties debate on a same topic due to change in their viewpoints. The debates can occur on topic related to common interests and theri sharing of ideas whether in favour of the topic or against the topic.

How do the products and reactants of a chemical change compare?The mass of the products is greater than the mass of the reactants because energy is taken in by the reaction.

The mass of the products equals the mass of the reactants because the same matter is present.

The mass of the products equals the mass of the reactants because there is no energy involved in the reaction.

The mass of the products is less than the mass of the reactants because energy is given off by the reaction.

Answers

The correct answer for this question is "The mass of the products equals the mass of the reactants because the same matter is present."

All chemical reactions follow the Law of Conservation of Mass which states that mass cannot be created nor destroyed. This means that mass is constant before and after a process. If ever it seems like the mass is not the same, it is possible that the missing mass was converted to something else.

Identify one way the immune system fights pathogens

Answers

The T-cells and B-cells. T-cells come from the Thymus gland while B-cells come from the bone marrow. T cells are responsible for cell-mediated immunity while B-cells are based on humoral immunity. Both are known as lymphocytes.

In an effort to control vegetation overgrowth, 108 rabbits are released in an isolated area free of predators. After 2 years, it is estimated that the rabbit population has increased to 972. Assuming exponential population growth, what will the population be after another 9 months

Answers

Answer:

246

Explanation:

Increased amount / current population = 972

Amount released = 108

time(t) = 2years

Using the exponential growth function :

f(t) = A*g^t

Where g = growth rate

To obtain the growth rate = g

972 = 108 * g^2

g^2 = 972 / 108

g^2 = 9

g = 3

To determine population after 9 months :

9 months to years = (9/12) = 0.75

t = 0.75

f(0.75) = 108*(3^0.75)

f(0.75) = 108 * 2.2795070

f(0.75) = 246.18676

= 246
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