1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
natka813 [3]
3 years ago
14

Which of the following correctly describes an r-strategist?

Biology
2 answers:
Goshia [24]3 years ago
7 0
Little to no care of offspring describe an r-strategist.
lutik1710 [3]3 years ago
3 0

r-strategist requires none or little care so the answer is C. Little to no care of offspring.

You might be interested in
1. Describe one way that a glowing abdomen helps the glow-worm increase its
miss Akunina [59]

Explanation:

The glow-worm begins its life in the autumn as a pale yellow egg. The freshly laid egg is extremely fragile but within a day its surface has hardened into a shell.

5 0
3 years ago
Summarize the effects of progesterone and estrogen
SVETLANKA909090 [29]

<u>Definition:</u>

The sex hormone  and endogenous steroid present in human and other species ' menstrual cycle, pregnancy, and embryogenesis are known as "Progesterone" while the primary sex hormone in females  responsible for the development and control of the female reproductive system and for the characteristics of secondary sex is termed as "Estrogen" or "oestrogen".

<u>Progesterone Effects:</u>

  • Progesterone has a variety of physiological effects which are exacerbated when estrogens are present for an instance in breast tissue, where estrogens permits progesterone to mediate lobuloalveolar development.
  • Progesterone has main effects on human sperm by non-genomic signals, as they move through the female tract before fertilization.
  • Progesterone is called "hormone of pregnancy" as transform the endometrium to its secretory stage for uterine implantation, decrease the maternal immune response to permit for the acceptance of the pregnancy during implantation and gestation, prevent preterm labor, inhibits lactation during pregnancy etc.

<u>Estrogen Effects:</u>

  • Effects structure of human and categorize them as male and female, while females have three kind of estrogen: Estrone (weak and found in women after menopause), Estradiol (strong and it is steroid produced by ovaries ) and Estriol (weakest and waste product after body produces estradiol).
  • It effects ovaries, vagina, Fallopian tube, uterus, cervix and mammary glands.
  • It triggers the release of an egg due to high level during halfway of cycle but decreases after ovulation.

<u>Similarities between progesterone and estrogen: </u>

Progesterone and estrogen  as such do not have similar function but work with coordination as both are need for menstrual cycle functioning and regulation. Estrogens usually travel in fluids through the bloodstream, communicate with cells in the body's various tissues, and provide a message or guidance while progesterone helps to balance pregnancy period  and to implant an egg in uterus.

4 0
3 years ago
True of False: Hemoglobin releases the same amount of oxygen to all the tissues regardless of variations in their metabolic rate
Murljashka [212]

Answer: False

Explanation:

Hemoglobin can be defined as red protein that transports oxygen to various parts of the body according to its need.

It does not transports the same amount of oxygen to all the tissues. Some tissues of the body might require more more oxygen and some cells might require less amount of oxygen.

It depends on the state of activity. It transports more oxygen to the tissue that require it the most.

Example: The skeletal muscles of the body require more oxygen and it can be more than 80% .

Hence, the given statement is false and hemoglobin does not releases the same amount of oxygen to each and every tissue of the body.

5 0
3 years ago
Is addiction a disease or a choice?
padilas [110]

Answer:

It is a choice

Explanation:

It cannot be a disease because you make the decision on your own.

3 0
3 years ago
Read 2 more answers
Which of the following is an example of a renewable resource
natima [27]
A: Cotton :) your welcome
8 0
3 years ago
Read 2 more answers
Other questions:
  • It is difficult to determine a definition for life that is suitable for all situations. Instead of defining life, biologists hav
    15·1 answer
  • Proteins are composed of chains of _____________ which are joined together with peptide bonds.
    8·1 answer
  • Thunderstorm weather or climate?
    14·1 answer
  • What is a plant called when they can make their own food by using photosynthesis
    12·2 answers
  • Which of the following is a major branch of the domain Bacteria?
    11·2 answers
  • Place the events in order of sympathetic motor pathway. 1. postganglionic neuron depolarizes 2. acetylcholine binds to sweat gla
    7·1 answer
  • Which choice refers to a single population?
    8·1 answer
  • You are given two blue beetles and two black beetles.
    11·1 answer
  • What is DNA Replication
    10·1 answer
  • When testing fertilizer on a tomato farm, one patch of soil is given fertilizer
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!