Fill in the blank.
1. Tall pea plants are dominant, while short plants are recessive. In a cross between a purebred
tall plant and a purebred short plant, the offspring will all be plants.
2. Tall pea plants are dominant, while short plants are recessive. In a cross between two plants
heterozygous for height, the offspring will be both tall and short in a
ratio.

Answer:

1. The offspring will be all tall pea plants

2. 3:1 is the ratio for tall and short

Answer:

1. tall (or heterozygous)

2. 3:1

Explanation:

Which of the following describes a scientific theory, such as evolutionary theory? (Check all that apply).
A. When a scientific theory is proven, it becomes a scientific law.
B. It is an explanation for a wide variety of natural phenomena.
C. It is plausible explanation for many natural phenomena that has not yet been fully tested.
D. Scientific theories are the most certain knowledge that can be developed in science.
E. Numerous studies, which have all tested the theory but in different ways, have all converged on the same explanation.
F. There is ample evidence supporting the explanation.

Worth 30 points, and I will recommend you! PLS!
If the primary consumer level contained 1,500 kcal (joules) of energy, how much energy would be in the tertiary consumer level?

What happens when the most
limiting factor in an ecosystem is
removed?

Cells with limited potential to develop into any type of cells are called

which of the following is most likely to occur when a barrier develops between two populations of the same species?

1. gene flow between the groups will increase due to more diversity between them

2. the species will become more distinct from each other

3. both groups will go extinct because there are not enough individuals to support them

4. individuals will develop adaptations that allow them to rejoin the other population

The diffrence between prokaryotic and eukaryotic organism​

Carbon is an organic element found in all life forms. Which of the following occurs through the process of
breaking down carbon-based molecules?
A. Water molecules are transferred through the body.
B. Elimination of waste products occurs.
C. Energy needed for life functions is released.
D. Absorbing of oxygen through pores occurs.

The table shows data about abiotic factors of streams in two different watersheds.
In general, a stream with a lower temperature and more neutral pH tends to be healthier. Based on these
criteria, which watershed contains the healthier stream?
Select one:

Watershed 2

Both streams are equally healthy.

There is not enough data provided to answer the question.

Watershed 1

5. If Laura rides her bicycle down a straight road for 500 m, then turns around and rides back to where she
started, her distance is
her displacement?
a. greater than
c. the same as
b. less than
d. can't determine

15. Which plant is the best example of this life cycle adaptation?
Some plants produce a large number of
seeds. The more seeds that are produced,
the more likely that some of them will
survive, germinate, and grow. Examine the
bar graph below.
Number of seeds produced
70
30
20
10
0
Plant A Plant B
Plant C
Plant D
Plant

Please help this is a 7th grade science problem

Which two characteristics describe the most stable ecosystem on Earth?

a. They are near the poles


b they are near the equator.


c. They have high biodiversity


d they have few seed plants